Product Features4-Levels adjustable volume + LED Flashing light!The maximum sound can reach 85 dB makes sure the doorbell is suitable for anywhere at home with its louder and pleasant sound.Decide your mood! Maybe you feel bored about the classic sound 'Ding Dong', why not mange your mood by your own! With this doorbell, you can choose a different melodies to change your frame of mind!Stable signal and Stronger penetration!The signal of transmitter signal is stable, do not worry about missing the doorbell signal .Environment friendly!Never need a battery, avoid the trouble of changing batteries every month!Specification Voltage of plug-in receiver: AC 110V(US) Transmitter working temperature:-10℃ to 35℃ Receiver operating temperature:-10℃ to 35℃ Doorbell receiver size: 3.7 * 3.7 *2.0 inches Doorbell button size: 3.2 * 2.0 *0.9 inches Package size: 6.1 * 4.0 * 2.4 inches Net weight: 0.31 lb Gross weight:0.40 lb WARM TIPS! Please DO NOT put the transmitter close to any electronics or metallic surface or might be interrupted.If there are metal walls,please test the operating range before mounting the transmitters. Our products have been well tested, examined and packaged before delivery. You can rest assured that your purchase at our store is guaranteed. Please feel free to contact us first if you have any problem so that we can supply the best solution for you.
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