General Features: Front cover for batteries extraction; Display
flashing in case of low batteries charge; Maintenance of all data during
batteries replacement; Protection degree IP20; Pollution degree 2; Software
class A; Signal reception range 70 m in open spaces, up to 30 m indoors
(depending on environment conditions); Unit weight 0.22 Kg.
Electric Features: Powered by 2 AA 1.5 V long life batteries; RF
transmitter module with power less or equal to 25mW, at 868,350 MHz.