Product Profile:
The wireless big black alarm signal is equivalent to another receiver, which can receive signals of gate magnet, infrared, remote control and all accessories. The gate magnet, infrared and remote controller send signals to the host, but also give warning signals.
Usage method:
Open the middle two screw of the alarm and take out the horn core, you can see the coding place. The corresponding host code is programmed in the circuit, and then connected to the power supply to work.
Main parameters:
Standard voltage: 12VDC
Standard current: 100-150 mA
Sound pressure index: > 120 dB (test distance 300 mm, ambient noise < 65 Db)
Tone frequency: 3.8KH2 + 10%
Conversion speed: 3H2 & plusmn; 10%