Product parameters: 1. Working voltage: DC3V CR2032. 2. Quiescent current: less than 1 microampere. 3. Alarm current: less than or equal to 10A. 4. Coding method: 1527 330K. 5. Working frequency: 433MHZ +/- 75KHZ. 6. Wireless distance: Is it less than or equal to 100 (open environment). 7. Working environment: -10-50 degrees Celsius. 8. Working humidity: 95% RH max. 9. Dimensions: 50x13mm.