Personal Open Door Magnetic Contact Sensor Alarm System (LS-901)

Specifications

Door alarm system
Door contact sensor installed on door or window
personal alarm to protect your house
433M or 315M wireless

Personal door alarm system

Door sensor installed on door and window
personal alarm to protect your house

Save power design, low power indicated,

 It is widely used for monitoring and security system, with high reliability, small size,easy installation and operation and strong flexibility. 

It is including one transmitter part and one magnetic part, when the door or window is open, it will be triggered and immediately sends out wireless signal to main alarm system to warning. Installing place: door, window, drawer ,cabinet and so on. 

SPECIFICATION: 

1. Triggered distance between two parts:<1.5cm
2. Working voltage:12V DC, with dry battery model:23A . Low battery voltage about 8V.
3. Working current:≤10mA    Static current:≤5μA
4. Power: standby :0.01W, Alarm :0.09W
5. Working frequency:433.92 MHZ±2KHZ or 315 MHZ
6. Transmitting distance:noninterference ≥200m ; indoor about 30~50 m
7. Emitting frequency:>10mw  Frequency tolerance:±0.2MHz
8. Oscillator resistor can be changed by jumper: 1.5ohm/3.3ohm/4.7ohm selectable.
9. Operating temperature: indoor -10 ~ 50°C, related humidity ≤ 95%
10. Size: Transmitter part: 90 mm(L)×55 mm(W)×22 mm(H); Magnetic part: 60mm(L)××15 mm(W)×13 mm(H).  Weight: 0.13g (with battery)

 

Installation: