SMATRUL K33 Self-powered Waterproof Wireless DoorBell No Battery Smart Door Bell Chi... (TYPE: 1TO1)

SELECTED OPTION:
TYPE: 1TO1

Features :
Self-powered doorbell that requires no battery
Wireless range up to 150 meters (in open area)
4 volume levels between 0 a?? 110 DB (can be set to mute)
51 ringtones
Easily maintained and fixed

Self-generating button, no battery is needed
IP44 waterproof ,Long time placed in the rain recommended to buy waterproof cover, otherwise affect life

150 meters receiving distance
The receiving distance may be affected by the environment and obstacles

4 volume levels between 0 a?? 110 DB (can be set to mute)
The receiver flashes when the button is pressed and then followed by a melody 51 ringtones to choose from)

Learning function
Hold the volume key for 5 seconds to pair and then quickly press the button several times to signal pairing success.

Intelligent power management
power supply:ac110-240v 50/60hz

Specification :
Transmitter size: 75 x 45 x 18 mm
Receiver size: 100 x 66 x 30 mm

Reminders:

1. The button cannot be placed on an iron door because it will interfere with the signal.
2. Works in heavy raining, however we recommend buying a waterproof cover for long-term use. Otherwise, the life expectancy will be shortened.

Package includeds :
1/2 x Receiver
1/2 x Transmitter
1 x Installation Kit
1 x User Manual
? Details pictures :