VESTA magnetic contact via radio

Characteristics Monitors the opening / closing of doors and windows Highly extensive and reliable communication range Allows the creation of scenes of security systems and home automation to turn on / off devices Minimal power consumption Long battery life Discreet, small and elegant design Tamper protection to prevent unauthorized removal Mounting on door or window frames Supervisory signals ensure proper operation Low battery detection Suitable for residential and commercial use Certified EN50131 Grade 2, ClassII Specs RF frequency: 868MHz Power supply: 1 3V CR2450 lithium battery Battery life of up to 8 years -10 ° C ~ + 45 ° C operating temperature Relative humidity up to 85% (non-condensing) Contact dimensions: 52.8 x 28.6 x 9.9 mm Magnetic dimensions: 25 x 15 x 7.35 mm