Features: 1. Easy and convenient to install. 2. Professional design, quick and sensitive response. 3. Immediately alarm while thieves pushing the door or window. 4. Suitable use at home, in office, in shop, etc. 5. One magnetic sensor can match with at most 8 remote controllers freely. 6. One remote controller could control several magnetic sensors. Magnetic Sensor: 1. Volume: 105DB 2. Color: White 3. Weight: 2.29oz / 65g 4. Material: ABS 5. Dimensions: (3.34 x 1.65 x 0.66)" / (8.5 x 4.2 x 1.7)cm (L x W x H) 6. Model: SF03R 7. Power Supply: 2 x AAA Batteries(Not Included) 8. Alarm Response Time: 200ms 9. Standby Time: 12 Months Remote Control: 1. Voltage: 12V 27A 2. Standby Volume: 1uA 3. Working Volume: 15mA 4. Standby Time: 12 Months 5. Remote Control Distance: 20m.
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