Wireless Door Sensor: Compact & Unique designed, Wireless transmission, Led indicator, Integral RF antenna(with built-in antenna), and Easy to operate & use. 

It can be used for all kinds of security alarm system to detect whether the door, window or drawer is illegally open or moved. Once opening or moving detected, the detector will immediately send the signal in a wireless way to the Alarm panel.

- Optional model: ZDD-409M/408M

- Novel appearance design, perfect match to home decoration
- Low power indication, SMT process 
- Wireless transmission, Led indicator
- Built-in antenna with elegant appearance
- With reliable performance and no false alarm,  Anti-RF interference（20V/m-1GHz）
- ABS Housing In White
- Easy to operate

• DC3V: 1*CR2032 Button Cell battery
  Static current:≤2.5uA; Alarm current:≤135mA

• Alarm indicator: red LED

• Low-power indicator: yellow LED

• Code:MCU with1527 optional

• Transmitting frequency:315M or 433M

• Transmitting distance：≥120m（open area）

• Operating temp.：-10℃~+50℃

• Ambient humidity: ＜80%RH（no congelation)

• Installation mode: Paste or screw-locked

• Dimension:30*95*20mm; Weight: 0.1kg 

Package Contents: 

• Standard Exporting Packing Box