Self-powered doorbell

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Description

Product Model	LQ2154
Transmitter Dimensions	L46W21H75mm
Power Supply	Self-powered(Transmitter)
Working Temperature	-20°C~+55°C
Working Frequency	RF 433MHz
Wireless Distance	Outdoor:100m,Indoor:25m
Receiver Dimensions	L54W28H86mm
Power Supply	AC100V-240V 50/60Hz(Receiver)
Sound Volume	4 adjustable levels
Ringtones	40
Capacity	Receiver works with maximum 10 transmitters
Working Temperature	-10℃~+55℃
Plug Type	CN / EU / KR / AU