“Detects openings and closings on doors or windows
Easy to install with 3M double-sided adhesive tape
Battery life up to 5 years
Power: 3V CR123A Lithium battery x 1 pc
Frequency: 915MHz or 868MHz
Operating conditions: 0-50°C, humidity < 95% RH (non-condensing)
Transmitter dimensions (L x W x H): 23.8 x 26.4 x 70mm
Magne tdimensions (L x W x H): 14.9 x 10.4 x 70mm0.4 x 70mm to install with 3M double-sided adhesive tape"