Home Wireless Doorbell 984.3ft Long Distance Music Door Chime Access Control

Feature: 1. 60 ring tones are optional, users set any music according to personal preference for the bell ring. 2. Users can flexibly increase or decrease the receiver and transmitter according to the requirements, and the matching method is simple and easy to operate. 3. With memory function, after power off, the set bell can be locked by memory, still ring the set bell chime after power on. 4. In an open barrier free environment, the working distance can be up to 300 meters 984.3ft, with stable signals and non interference. 5. Level 5 volume adjustable: 0 100 decibels, unique quiet mode, give users a better home experience. Specification: Condition: 100percent Brand New Item Type: Wireless Doorbell Material: ABS Optional Color: Black, White Rated Power: 0.15w Rated Current: 0.0015A Operating Temperature: 30 celsius +70 celsius Operating Frequency: 433.92mhz Volume: Maximum. 100dB Wireless Distance: Approx. 300m 984.3ft (Open Space Without Interference) Ringtone: 60 Music Options Receiver Voltage: 90 260V 50 60hz (Wide Voltage) Power Supply Mode of Transmitter: 1 x 12V 23A Alkaline Zinc manganese Battery (Built in) . Package List: 1 x Receiver1 x Transmitter1 x Glue Stick1 x Mounting Screw Pack1 x Instruction