Sonnette sans fil pour maison connectée Veltsome Bell avec 36 sonneries, portée de 300 m, kit de carillon pour porte extérieure, sans pile

Wireless Doorbell Technical Parameters: Receiver working voltage: AC100-240V 50HZ/60HZ Receiver power consumption: 0.5W Working frequency: 433MHz Transmitter Power Consumption: 10mW Spectrum Analyzer Antenna Combined Test, CE Limit Transmitter battery: 12V23A alkaline battery Battery life: estimated to last 20 times per day, approximately 1 year Volume adjustable range: 25-85dB tested at 0.5 meters with a decibel meter Wireless distance: about 280 meters in the open air, about 20-50 meters indoors with obstacles Note: The wireless distance is affected by walls, radios, metals, etc. It is normal to have certain deviations in actual use Packing List: 1 Set of Wireless Doorbells Why Choose Us? 136 ringtones 24-Speed​​Volume 340M Remote Distance 4300M Range in operating space Durable and Long-Lasting 1Stay dryBuilt to LastLong Power 2 Operating Temperature: -4°F/-20C~140F/60C 3Large capacity battery Maximum Lifespan Ur Wireless Doorbell: 984ft30m Wireless Range Othe r Doorbells Only 500-650ft 150-200m Wireless s range 36 Ringtones Switch Freely ding dong Moscow Nights Lake Baikal Mozart Romeo and Juliet ...etc LED Indicator Mute Mode 1 for baby sleeping and nap time 2Flashing colorful LED lights also help hearing-impaired individuals Button Power supply method: 12V23A alkaline battery Transmitter power consumption: 10mW Spectrum analyzer antenna combination test, CE limitBattery life: estimated 20 times per day, about 1-2 yearsWireless distance: about 300 meters in open space, Indoor- about 20-50 meters including obstaclesOperating temperature: -20-60 degrees Celsius Transmission frequency: 433.92MHz Ring the Bell Power supply mode: AC100-240V 50HZ/60HZ Volume adjustment: 8-level volume adjustment Music adjustment: 38 chord music Ole Range: 25-85dB Tested at 0.5 meters with decibel meters Working environment: humidity 80% Working temperature: -10-60 degrees Celsius Receiving frequency: 433.92MHz Feedback and Rewards: Good Fe Thank you for your satisfactory evaluation, which will have a positive effect on promoting our businessIf iu chan leve Thank you for your five-star praise and pictures; we are very glad for this Bad Feedback - If there are any problems with your package, please contact us before leaving comments Still wil offer the best service to solve ani Jesus until iu are satisfied