{"id":2597,"date":"2026-07-16T20:01:04","date_gmt":"2026-07-16T18:01:04","guid":{"rendered":"https:\/\/store.smartpad.co.za\/?post_type=product&#038;p=2597"},"modified":"2026-07-16T21:35:58","modified_gmt":"2026-07-16T19:35:58","slug":"sonoff-senseguard-dw","status":"publish","type":"product","link":"https:\/\/store.smartpad.co.za\/index.php\/product\/sonoff-senseguard-dw\/","title":{"rendered":"Sonoff SenseGuard DW Gen2 Zigbee Door &#038; Window Sensor"},"content":{"rendered":"<h2>Sonoff SenseGuard DW Gen2 Zigbee Door &amp; Window Sensor (SNZB-04PR2)<\/h2>\n<h2>Reliable Smart Monitoring for Doors, Windows, Cabinets &amp; More<\/h2>\n<p>Add an extra layer of intelligence to your home with the <a href=\"https:\/\/sonoff.tech\/products\/sonoff-senseguard-dw-gen2-zigbee-door-window-sensor-snzb-04pr2?_pos=1&amp;_sid=ea702cd28&amp;_ss=r\" target=\"_blank\" rel=\"noopener\">Sonoff SenseGuard DW Gen2<\/a> Zigbee Door &amp; Window Sensor (SNZB-04PR2). This compact Zigbee 3.0 contact sensor instantly detects when a door, window, cupboard, drawer, or other entry point is opened or closed, allowing you to receive notifications, improve home security, and create powerful smart home automations.<\/p>\n<p>Whether you&#8217;re securing your home, monitoring valuable storage areas, or making your lighting and climate control more efficient, the SNZB-04PR2 delivers dependable performance with long battery life and broad Zigbee compatibility.<\/p>\n<div contenteditable=\"false\">\n<hr \/>\n<\/div>\n<h2>Instant Open &amp; Close Detection<\/h2>\n<p>Know immediately when something opens or closes.<\/p>\n<p>The SNZB-04PR2 continuously monitors the position of the magnetic contact and instantly reports status changes to your Zigbee hub, allowing your smart home to react in real time.<\/p>\n<p>Use it to monitor:<\/p>\n<ul data-spread=\"false\">\n<li>Front doors<\/li>\n<li>Back doors<\/li>\n<li>Sliding doors<\/li>\n<li>Windows<\/li>\n<li>Garage side doors<\/li>\n<li>Cabinets<\/li>\n<li>Drawers<\/li>\n<li>Cupboards<\/li>\n<li>Safes<\/li>\n<li>Medicine cabinets<\/li>\n<li>Pet doors<\/li>\n<li>Mailboxes<\/li>\n<li>Refrigerators and freezers<\/li>\n<\/ul>\n<p>Its compact size makes it suitable for almost any opening in your home.<\/p>\n<div contenteditable=\"false\">\n<hr \/>\n<\/div>\n<h2>Enhance Your Home Security<\/h2>\n<p>Receive instant notifications whenever protected doors or windows are opened.<\/p>\n<p>Create automations such as:<\/p>\n<ul data-spread=\"false\">\n<li>Alert your phone if a door opens while you&#8217;re away<\/li>\n<li>Trigger a siren when an entry point is opened<\/li>\n<li>Turn on security lights after dark<\/li>\n<li>Start camera recording when a door is opened<\/li>\n<li>Activate security scenes automatically<\/li>\n<\/ul>\n<p>Tamper detection provides additional peace of mind by notifying you if someone attempts to remove or interfere with the sensor.<\/p>\n<div contenteditable=\"false\">\n<hr \/>\n<\/div>\n<h2>Smarter Home Automation<\/h2>\n<p>The SNZB-04PR2 is more than just a security sensor\u2014it can make your home more convenient and energy efficient.<\/p>\n<p>Example automations include:<\/p>\n<ul data-spread=\"false\">\n<li>Turn hallway lights on when the front door opens<\/li>\n<li>Switch wardrobe lighting on when the cupboard is opened<\/li>\n<li>Pause air conditioning when a window is opened<\/li>\n<li>Turn off heating if a patio door is left open<\/li>\n<li>Announce arrivals through smart speakers<\/li>\n<li>Trigger routines when family members come home<\/li>\n<\/ul>\n<p>Its fast response makes everyday automations feel seamless and natural.<\/p>\n<div contenteditable=\"false\">\n<hr \/>\n<\/div>\n<h2>Built-In Tamper Protection<\/h2>\n<p>Security doesn&#8217;t stop at the door.<\/p>\n<p>The integrated tamper function detects when the sensor is removed or disturbed, allowing your smart home to send immediate alerts so you can respond quickly.<\/p>\n<p>Ideal for security-focused installations where sensor integrity is important.<\/p>\n<div contenteditable=\"false\">\n<hr \/>\n<\/div>\n<h2>Flexible Installation<\/h2>\n<p>The detachable magnetic contact allows installation in a wide range of positions.<\/p>\n<p>Features include:<\/p>\n<ul data-spread=\"false\">\n<li>Horizontal or vertical mounting<\/li>\n<li>Works on uneven surfaces<\/li>\n<li>Supports wider installation gaps (up to 30 mm, depending on orientation)<\/li>\n<li>Suitable for wood, aluminium, uPVC, and many other door and window frames<\/li>\n<\/ul>\n<p>Installation is quick using the included adhesive pads.<\/p>\n<div contenteditable=\"false\">\n<hr \/>\n<\/div>\n<h2>Up to 3 Years Battery Life<\/h2>\n<p>Powered by <strong>2 \u00d7 AAA batteries<\/strong>, the SNZB-04PR2 is designed for long-lasting operation.<\/p>\n<p>Benefits include:<\/p>\n<ul data-spread=\"false\">\n<li>Up to 3 years of battery life*<\/li>\n<li>Low maintenance<\/li>\n<li>Battery level reporting<\/li>\n<li>Low battery notifications<\/li>\n<\/ul>\n<p>*Actual battery life depends on usage, reporting frequency, and environmental conditions.<\/p>\n<div contenteditable=\"false\">\n<hr \/>\n<\/div>\n<h2>Zigbee 3.0 Compatibility<\/h2>\n<p>The SNZB-04PR2 supports the Zigbee 3.0 standard for reliable, low-power communication.<\/p>\n<p>Compatible with:<\/p>\n<ul data-spread=\"false\">\n<li>Home Assistant (ZHA)<\/li>\n<li><a href=\"https:\/\/www.zigbee2mqtt.io\/\" target=\"_blank\" rel=\"noopener\">Zigbee2MQTT<\/a><\/li>\n<li>SONOFF Zigbee Bridge<\/li>\n<li><a href=\"https:\/\/store.smartpad.co.za\/index.php\/product\/smlight-slzb-06mg26u\/\">Other Zigbee 3.0 compatible hubs<\/a><\/li>\n<\/ul>\n<p>A compatible Zigbee coordinator or gateway is required.<\/p>\n<div contenteditable=\"false\">\n<hr \/>\n<\/div>\n<h2>Ideal Applications<\/h2>\n<p>\u2714 Home Security<\/p>\n<p>\u2714 Window Monitoring<\/p>\n<p>\u2714 Door Monitoring<\/p>\n<p>\u2714 Garage Access<\/p>\n<p>\u2714 Cabinet &amp; Drawer Monitoring<\/p>\n<p>\u2714 Safe Monitoring<\/p>\n<p>\u2714 Mailbox Notifications<\/p>\n<p>\u2714 Refrigerator &amp; Freezer Monitoring<\/p>\n<p>\u2714 Smart Lighting Automation<\/p>\n<p>\u2714 Energy-Saving HVAC Control<\/p>\n<div contenteditable=\"false\">\n<hr \/>\n<\/div>\n<h2>Technical Highlights<\/h2>\n<table>\n<tbody>\n<tr>\n<th>Specification<\/th>\n<th>Details<\/th>\n<\/tr>\n<tr>\n<td>Model<\/td>\n<td>SONOFF SNZB-04PR2<\/td>\n<\/tr>\n<tr>\n<td>Sensor Type<\/td>\n<td>Magnetic Door &amp; Window Contact Sensor<\/td>\n<\/tr>\n<tr>\n<td>Wireless Protocol<\/td>\n<td>Zigbee 3.0<\/td>\n<\/tr>\n<tr>\n<td>Battery<\/td>\n<td>2 \u00d7 AAA<\/td>\n<\/tr>\n<tr>\n<td>Battery Life<\/td>\n<td>Up to 3 Years*<\/td>\n<\/tr>\n<tr>\n<td>Tamper Detection<\/td>\n<td>Yes<\/td>\n<\/tr>\n<tr>\n<td>Installation<\/td>\n<td>Adhesive Mount<\/td>\n<\/tr>\n<tr>\n<td>Maximum Gap<\/td>\n<td>up to 30 mm for <strong>horizontal<\/strong> mounting, up to <strong>15 mm for vertical<\/strong> mounting.<\/td>\n<\/tr>\n<tr>\n<td>Smart Platforms<\/td>\n<td>Home Assistant, Zigbee2MQTT, ZHA, SmartThings &amp; More<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<div contenteditable=\"false\">\n<hr \/>\n<\/div>\n<h2>Compatibility<\/h2>\n<p>The SONOFF SNZB-04PR2 requires a compatible Zigbee hub or coordinator.<\/p>\n<p>Compatible with:<\/p>\n<ul data-spread=\"false\">\n<li>Home Assistant (ZHA)<\/li>\n<li>Zigbee2MQTT<\/li>\n<li>SONOFF Zigbee Bridge<\/li>\n<li>SmartThings<\/li>\n<li>Tuya Zigbee Hubs<\/li>\n<li>OpenHAB<\/li>\n<li>Other Zigbee 3.0 compatible platforms<\/li>\n<\/ul>\n<p>Please verify compatibility and available features within your chosen Zigbee ecosystem.<\/p>\n<div contenteditable=\"false\">\n<hr \/>\n<\/div>\n<h2>Why Choose the SONOFF SNZB-04PR2?<\/h2>\n<p>The Sonoff SenseGuard DW Gen2 Zigbee Door &amp; Window Sensor is a compact yet powerful addition to any smart home. Combining reliable open\/close detection, built-in tamper protection, long battery life, and broad Zigbee compatibility, it helps you improve home security, automate everyday tasks, and save energy.<\/p>\n<p>Whether you&#8217;re securing your home, monitoring valuables, or creating intelligent automations with Home Assistant or another Zigbee platform, the SNZB-04PR2 provides dependable performance in a discreet, easy-to-install design.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Protect your home and automate everyday routines with the Sonoff SNZB-04PR2 SenseGuard DW Gen2 Zigbee Door &amp; Window Sensor. This compact Zigbee 3.0 contact sensor provides fast, reliable open\/close detection, built-in tamper alerts, up to 3 years of battery life, and flexible installation. Perfect for doors, windows, cabinets, gates, and more, with seamless compatibility with Home Assistant, Zigbee2MQTT, ZHA, SmartThings, and other Zigbee hubs.<br \/>\nThe tamper-proof design ensures additional security by sending alerts if the sensor is tampered with.<\/p>\n","protected":false},"featured_media":2610,"template":"","meta":[],"product_brand":[],"product_cat":[120,92,77,125],"product_tag":[165],"class_list":["post-2597","product","type-product","status-publish","has-post-thumbnail","product_cat-smart-security","product_cat-smart-sensors","product_cat-sonoff","product_cat-feature-2igbee","product_tag-sonoff","first","instock","taxable","shipping-taxable","purchasable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/store.smartpad.co.za\/index.php\/wp-json\/wp\/v2\/product\/2597","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/store.smartpad.co.za\/index.php\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/store.smartpad.co.za\/index.php\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/store.smartpad.co.za\/index.php\/wp-json\/wp\/v2\/media\/2610"}],"wp:attachment":[{"href":"https:\/\/store.smartpad.co.za\/index.php\/wp-json\/wp\/v2\/media?parent=2597"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/store.smartpad.co.za\/index.php\/wp-json\/wp\/v2\/product_brand?post=2597"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/store.smartpad.co.za\/index.php\/wp-json\/wp\/v2\/product_cat?post=2597"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/store.smartpad.co.za\/index.php\/wp-json\/wp\/v2\/product_tag?post=2597"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}