Advent Doorbell, No Battery Required, Self-Powered Wireless Doorbell, Waterproof Home Call Button FL-313

1. Do not install on metal doors as it weakens the signal. Install on walls near the door for the most stable signal and longest distance.

2. Press the button ten times in the desired location with the door closed. It should ring each time before securing it.

3. Clean the wall surface before sticking the button. Press and hold for at least 5 seconds. For added security, use screws for mounting.

4. Install the bell above 1.2 meters from the ground for wider signal reception and stability.

Self-powered button using patented self-generating technology (Patent No. 13473946)

59 selectable ring tones including classic and world-famous melodies

4 volume levels suitable for various scenarios

Power outage memory function retains your chosen ring tone

12-step quality control process for durability and longevity

Aesthetic design making it a piece of art in the wireless doorbell industry

Antenna-equipped button for a 200-meter transmission range compared to non-antenna buttons with a 100-meter range

Double-sided PCB board with automatic chip placement for stability and accuracy

V2 high-grade flame-retardant materials used for safety

ROHS certified for export-level quality assurance

The above specifications are based on data provided by Advent and its laboratory testing.