U-Prox Water Leak Detector

specs

4 contacts
ISM band radio interface, multi-speed with several channels
RF frequency: 868 ~ 868.6MHz
Secure two-way communication with tamper detection and 256-bit key
Power: 2 alkaline batteries LR03 AAA (included)
Consumption: <5 µA (standby), <50 mA (active)
Battery life of up to 5 years
-10 ° C ~ + 55 ° C operating temperature
White housing
Dimensions: 67.5 (W) x 67 (H) x 18mm
Weight: 55g