Honfeiga 501T1R1 Eco Wireless Door Bells with Stereo Speaker, 36 Music, 280 M Remote Distance, USD4/pcs Only

الوصف

The wireless door bell adopts fashionable design and technology, melodies function and large effective range, easy to install and use, is a good choice for your house, villa, office, nursing room, etc.

 
Features:

Work Voltage:AC *0V***0V                    

use transformer to instead of  capacitor

Work Frequency: **5MHz/**3MHz
 
Battery free transmitter, eco product   
 
Transmitter: *2x*5 mm

Receiver:*6x*0 mm
 
Transmitter Power :< *0mW                 
 
Adjustable Volume(4 levels), ****5dB
 
IPX7 waterproof                              
 
Learning coding function
 
*6 high quality melodies
 
**0 meters remote distance
 
Button can be pressed more than **0, **0 times
 
Different plugs standards (Euro/US/UK etc.)
 
CE, RoHS ,FCC available