1.the doorbell sound is 'DingDong' the sound. 2.Installs the power switch in the entrance appropriate position, facilitates

Model:KY3101
Sort	Door bell
Name	Door bell
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The use power source is: 220VAC,50/60HZ.the doorbell sound is DingDong the sound. Installs the power switch in the entrance appropriate position, facilitates visits the visitor according to the doorbell. Supply Voltage(Vdd):220VAC,50/60HZDecibel(dB):30CM≥110dB;60CM≥100dB;100CM≥95dB

easy installing Ding Dong Door Chime