Saful TS-K108 1V1 Plug-in Wireless Doorbell Push Button 1000ft / 300m Range Waterproof Door Chime with 36 Chimes Black

Name :wireless dingdong doorbellBrand :SafulModel No. :TS-K108 1V1Discription: wireless dingdong doorbell , 1 indoor unit, 1 outdoor unitGross Weight :0.17Packing Size :packing size:10.6cm x 8.5cm x7.5cm package weight: 0.17kg 40pcs/CartonFeedbackNew wireless dingdong bell !!1V1, 1V2, 2V1 for choices !Product IntroductionThis product is a smart doorbell which is unlike the traditional wireless doorbell. It is simple & easy to operate, has stable transmission signal, fit for apartment, villas, home, hospital and many other places.This product is according to the rules of the frequencies using of our country. It won’t produce harmful electromagnetic interference.Please carefully read the use manual to correctly grasp the installation, operation methods.Features1. simple design, elegant, chic style;2. ultra-low-power design, energy saving and sustainable use3. 300 m long distance remote control, stable signal;4. 36 polyphonic ring tones for optional;5. Adjustable indoor ring volume.Technical parametersTechnical parametersIndoor receiverOutdoor transmitterVoltage RangeAC:110V-220VDC12V 23AAlkaline batteries*1Operating temperature-10℃-55℃-20℃-65℃Transmission distance 300 meters in open areaOperating Frequency 433.92MHz±200KHzVolume 25-110dBPower 0.1WOperate Instructions1, volume adjustment,Shortly press the volume button for once,the volume will increase a grade, total 3 grade,It will change in cycle.2, music selection