First Batteryless wireless doorbell in the world

FIRST batteryless wireless doorbell in the world. No batteries. No pollution. No wires. No limits. 20 years service life.

The world's first batteryless wireless doorbell.

No batteries, no pollution.

No wires, no limits.

20 years service life.

Super long distances of 280 meters.

HK Electronics Fair(Autumn Edition) booth No.:3GC27 

Specifications:

Push button transmitter: Self-powered, require no batteries

Rated Voltage of the chime: AC (110-220) V/ (50-60) Hz

Volume: 85dB

Power consumption of transmitter: <10mw

Working frequency: 868MHz

Service life:  trouble-free operations on 200,000 times. 20 years service life (20 operations per day)

Transmission range: Up to 280 meters.

Push button transmitter: Water proof design.

Features & Benifits:

 The worlds’ first batteryless wireless doorbell.

Pushing remote button could generate enough energy to transmit wireless signals that can trigger the chime. No batteries required, which means less soil or water pollution.

Maintenance-free, never need to change batteries, more convenient.

20 years service life, 280 meters remote control distance in the open air. This new doorbell has performed much better than traditional ones.

Modern concise style.

Comparison of the batteryless wireless doorbell and other doorbells:

	Wired doorbell	Peephole doorbell	Wireless doorbell	Battery-free wireless doorbell
Power supply to transmitter	AC(110V/220V)	Battery powered	Battery powered	Self-powered
Installation	Complex	Complex	Easy	Easy
Maintenance	Less maintenance	Change batteries half a year	Change batteries once a year	Require no batteries, Maintenance-free
Service life	Long	1-2 years	3 years	Up to 20 years
Transmission distance	Depend on the wire	Short	50-100 meters	280 meters
Price	More than 16 dollars	3-8 dollars	8-24 dollars	17 dollars

A doorbell battery is 2-3 dollars; need to be replaced once a year; 3 years service life. As a result, you need to buy a new doorbell every 3 years, which means you need to buy at least 6 doorbells in 20 years. It will take you more than 88 dollars in 20 years.

What about battery-free wireless doorbell? 20 years service life; require no batteries. So you only have to spend 21 dollars buying a batteryless wireless doorbell in 20 years. What’s more, you never need to buy or change batteries, more convenient.

Contact us:

Tel: 86 -532 -86881057

ZIP:266555

Address: No.15, Danjiang Road, Economic&amp; Technological Development Area, Qingdao, China

WEB: www.topdoorbell.com

First Batteryless wireless doorbell in the world