KEYPLUS Smart Door Sensor DMD2KJ

Unfailing Security. Flawless Connectivity.

KEYPLUS Smart Door and Window Sensor (DMD2KJ)

The KEYPLUS DMD2KJ is a highly responsive, industrial-grade Smart Door and Window Sensor designed for absolute perimeter security. Powered by the advanced ZTU chipset and stable Zigbee 3.0 / Wi-Fi protocols, it delivers instant open/close notifications directly to your smartphone. Built with premium flame-retardant PC and ABS materials to withstand over 4 million operations, this compact sensor provides reliable, false-alarm-free monitoring for homes, commercial offices, and smart rental apartments.

Is Your Smart Home Security Compromised by Unreliable Sensors?

The most critical points of your property are its entryways. Standard sensors often fail when you need them most:

• Delayed & Dropped Alerts: Cheap sensors frequently lose connection to your network, leaving your perimeter unmonitored during actual intrusions.
• Flimsy Construction: Low-grade plastic housings crack, yellow, and break under repetitive door impacts and environmental temperature changes.
• False Alarm Fatigue: Poor magnetic calibration causes constant false triggers every time the wind rattles your windows or frames settle.

Lightning-Fast Zigbee 3.0 Connectivity

• Feature: Powered by the high-performance ZTU chipset and the robust Zigbee 3.0 wireless protocol.
• Advantage: Delivers ultra-low latency, outstanding anti-interference capability, and rock-solid connection stability compared to standard standalone Wi-Fi sensors.
• Benefit: Receive instant smartphone alerts via the Tuya App the exact millisecond an entryway is breached, ensuring immediate emergency response.

Industrial-Grade Durability (Built to Last)

• Feature: Enclosed in a heavy-duty housing crafted from premium impact-resistant and flame-retardant PC + ABS blend.
• Advantage: Exceptional structural resilience verified by an extensive 4,000,000-operation mechanical life test.
• Benefit: Install it once and rely on it for years. It easily withstands the high-frequency slamming of commercial doors and heavy residential entryways without degrading.

Precision Gap Detection (Zero False Alarms)

• Feature: Engineered with an optimized magnetic trigger distance of 23 ± 5mm.
• Advantage: Accurately captures bona fide open/close events while intelligently ignoring minor vibrations, wind drafts, or structural shifting.
• Benefit: Enjoy dependable peace of mind without notification fatigue, knowing every push alert represents a verified event.

Model	DMD2KJ
Wireless Protocol	Zigbee 3.0 / WIFI
Chipset Module	ZTU Module
Housing Material	Flame-retardant PC + ABS
Mechanical Lifespan	4,000,000 Operations
Trigger Distance	23 ± 5 mm
Operating Voltage	DC 3V
System Compatibility	Android 4.4 / iOS 9.0 and above
App Ecosystem	Tuya App
Main Body Dimensions	23.3 × 13.0 × 60.0 mm
Magnet Dimensions	12.7 × 13.0 × 24.4 mm
Color	White