MS-200RF Wireless Magnetic
Power: AAAX2PCS BatterySteady Current: ≤ 25 uAAlarm Current: ≤ 15 mADistance: 100m(in Open Place)Frequency: 315/433 MHZ Material: ABSSize: Switch Part: 76Lx 37Wx 16.3HmmMagnet Part:50Lx12Wx13Hmm