By microcontroller and wireless data transmission circuit combination, reliable performance, easy installation, wide application range, can be used with all kinds of wireless probes, is an economic and practical sound and light field alarm.

Applicable environmental application field: apply to home, shops, factories and other places that need to be on guard.

Working voltage: AC 220V

Working frequency: 315MHz(other frequencies can be customized)

Static current: ≤10mA

Volume: > 100dB

Receiving sensitivity: BBB 0 -103dBm

Decoding type: pt2262/4.7m or compatible chip

Coding mode: learning code

Modulation mode: amplitude modulation (OOK)

Operating temperature: -10℃~+50℃