Showing all 2 results

Show sidebar
Show 9 24 36
Add to compare

GA01P Mini Smart Power-off GSM SMS Phone Alarm Module

$31.01
1. The input is a switch signal. When the input port is short-circuited to the ground (GND), an alarm message
Add to wishlist
Add to cart
Quick view
Add to compare

GL09 PLUS Low Standby Power Consumption 8-channel Monitoring GSM Alarm Module

$61.70
1. Low-power sleep mode design 2. One way alarm voltage output 3. It can detect the voltage of the battery
Add to wishlist
Add to cart
Quick view