wireless rolling shutter magnetic switch

Wireless Rolling (Shutter) Detector (L&L-108MS-W)
Feature:
1: Power requirement: DC=12V-8.4V(A23DC=12Vbattery inside)
2: Current consumption: Less than 20uA; Less than 15mA while transmitting
3: Transmit frequency: 315+_0.2MHz
4: Transmit duration: More than 1s
5: Transmit distance from host: More than 80m(no obstacle) less than 15mm between part A and Part B
6: Temperature: -10 to 40 degree 6: Humidity: Less than 90%