Wireless Door/Window Contact sensor (DWCA4)

Nice designed door/window sensor, with low battery warning supported.

Read more: Dinsafer Nova Pro Ready to Arm Feature

The wireless contact sensor is an accessory of smart alarm system.It's fashion design, energy saving, and low battery warning supported. The main panel will send a SMS to user for battery replacement when needed. It's easy to setup and works well with most doors and windows. When transmitter and magnet are apart, the sensor triggers alarm.
Transmitter can be put on either of magnet’s left or right side.

Working Voltage DC 3V
Battery 1 × CR2032 button battery(3V)
Working Current ≤27mA
Standby Current ≤2μA
Transmission Distance Without obstacle 500m
Transmission Frequency 433.92MHz
Working Temperature -10°C~50°C
Humidity ≤90%rh (non-condensing)
Weight 35.5g(battery not included) 46.7g(battery included)
Dimension Transmitter: 80.0mm*38.2mm*13.3mm Magnet: 80.0mm*14.8*12.9mm (L*W*H)