Product information:       
Alarm mode: sound vibration alarm
Detection frequency band: 1MHZ-6GMHZ (MHz)
Model: T15
Working range: 10 m
Operating voltage: 3.7 (V)
Size: 92*20*15 (mm)
Weight: 27 (g)
Scope of Application: indoor and outdoor scenarios
Type: wireless detector

Packing list: 

Detector * 1