AVANTEK Wireless Door Bell, BA-11 Waterproof Battery Operated Doorbell Chime Operating at 1000 Feet, Portable Door Chime kit with 52 Melodies, 5 Volume Levels, and CD Quality Sound DRY-TREAT Easy to Install: The thumb

Easy to Install: The thumb tacks are very easy to work for drywall or wooden wall

It is an indispensable helper for children

0 rolling code technology

Prevent the top grid from sagging

【Wires and Gradienter Help You Work Easier】Our picture hanging kit have 1pc 10ft steel wires and 1 mini gradienter

AVANTEK Wireless Door Bell, BA-11 Waterproof Battery Operated Doorbell Chime Operating at 1000 Feet, Portable Door Chime kit with 52 Melodies, 5 Volume Levels, and CD Quality Sound DRY-TREAT Easy to Install: The thumbBrand: AVANTEK Color: Black Features: CONVENIENT BATTERY POWERED RECEIVER: This battery operated doorbell is powered by 3 AAA batteries (included) so no electric outlet needs to be occupied; simply screw the mounting bracket onto the wall and then hook the receiver on (Receiver: 1. 2" x 1. 1" x 0. 4", Transmitter: 1. 2" x 0. 6" x 0. 2" 300 M 1000 FT ULTRA LONG WIRELESS RANGE: Will not interfere with other equipment in your home or those of your