1~5PCS Outdoor Wireless Doorbell Waterproof Push on No Baterry Required S~powered Acrylic Panel 38 Songs Ring Door Bell

1~5PCS Outdoor Wirele Doorbell Waterproof Push on No Baterry Required S-powered Acrylic Panel 38 Songs Ring Door Bell

Description:

Working voltage: AC100V-230V 50/60Hz

Operating frequency: 433.92MHz

Standby power consumption: 0.25W

Music: 38 songs

Volume: 3rd gear+mute

Controllable volume: ≥ 50dB/1m

Receiving distance: ≥ 150m (no obstacle in the open area)

Receiver operating temperature: - 10 ° C -+45 ° C

Working temperature of nsmitter: - 20 ° C~+60 °

Receiver size: 78 * 54 * 45mm

Emitter size: 66 ′ 40 * 20mm

The nsmitter does not need a battery. Pre it to generate power automatically

Specifications:

1. S generating wirele doorbell without battery and wiring

2. Pre your finger to generate electricity, without battery for life

When you pre your finger, the kinetic energy will be converted into electric energy, and the wirele signal will be nsmitted instantly, so you don't have to worry about changing the battery for the doorbell.

3. Strong penetion and long distance

The 433.92 frequency wirele signal is adopted, which can penete 3-4 gates with super penetion, and the reception distance in open areas can reach 150 meters

4. Free code matching and rejection of serial ringing

Even if a neighbor buys the same doorbell, it will not ring in series. Learning code technology is used. You don't need to worry about stringing lines with the next door. You can also match them according to your own needs to meet home use

5. High volume without leakage, and the third gear is optional

No matter balcony, kitchen or horizontal, it can be heard, which is convenient for family to use; 3 level volume control, can also be muted, and the sound level can be determined at will

Package Included:

1 * doorbell, 1 * doorbell on