This product is a smart doorbell which is different from the traditional wireless doorbell. It is simple and easy to operate, has stable transmission signal, fit for apartment, villas, home, hospital and many other places.It is according to the rules of the frequencies using of our country. It won't produce harmful electromagnetic interference. HOW TO USE IT 1.volume adjustment Shortly press the volume button for once, the volume will increase a grade, total three grade, It will change in cycle. 2.music selection Shortly press the music button for once,it will play the next music, 28 in total,I will change in cycle. When unplugging the indoor receiver, and plug the power again, it will return to the first music. SPECIFICATION Voltage Range(Indoor receiver) : AC: 110v-220v Voltage Range(Outdoor Transmitter): DC 12V 23AAlkaline batteries*1 Operating Temperature(Outdoor Transmitter):-20°C-65°C Transmission Distance: 300 meters in open area Operating Frequency: 433.92mhz±200KHz Volume: 25-110dB Power: 0.1W WARM TIPS 1.When unplugging the indoor receiver, and plug the power again, it will return to the first music. 2.When first use, open the doorbell and move the battery's insulating piece away.br> 3.Avoid mounting it on metal door or metal door frames. 4.Keep the indoor unit as far away from the cooker, TV, WIFI wireless routers ect. products which have magnetic field or signal interference. 5.The more closer of outdoor transmitter and indoor receiver is, the better the signal will be. Package Includes 2 x Indoor Receivers 1 x Outdoor transmitter 1 x Battery 1 x Screws 1 x Double-sided adhesive tape 1 x Use manual
Trustpilot
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