Door Contact Sensor | Wireless | 433mhz | window sensor with low battery alert | Smart Home
Wireless 433mhz window sensor with low battery alert
The low-voltage monitoring system would send low-voltage signals when the built-in batteries require for a timely replacement.
Users with pets of less than 25KG can safely use it.
With high-capacity built-in batteries than can be used for more than 2 years.
Power: 3V button battery
Standby Currents: ≤10uA
Alarm Current: less than15mA
Transmitting Distance: ≥120m (open area)
Transmitting Frequency: 433MHz
Case Material: ABS plastics
Operating Temperature: -10 ~50 degrees
Operating Temperature: less than 80% (No coagulation)
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We want you to be 100% satisfied with your purchase. Items can be returned or exchanged within 30 days of delivery.