High Quality Cheap Wireless Magnetic Contact Switch

High quality Cheap Wireless magnetic contact switch Specification  Model:  CA-WX11  Material: ABS  Working voltage（V): 12V  Working current（mA): ≤18  Static Current : ≤ 10μA Emission Current: ≤15mA Alarm Output: NO  Emission Frequency: 315/433MHZ  Wireless chip: 1527/2262 Under Voltage Monitoring: 7.5V+/-0.5V   Operating Temperature: -10 °C ~ 50 °C   Emission Distance: 150 m (Open field)  Triggering Distance:25-35mm  Built-in Battery: 23A-12V battery (included, useful life time 6-12 months) Specification Model:  CA-WX11 Material: ABS Working voltage（V): 12V Working current（mA): ≤18 Alarm output: NO Wireless Frequency: 315/433MHZ Wireless chip: 1527/2262