Heath Zenith Piezo Door Chime Color:Black/White round shape means each tooth

round shape means each tooth cuts uniform equal amount of wood

metal ratcheting chuck and illuminate dim work areas with an integrated 3-position LED

Cam Buckle Tie-Down features a durable

It is suitable for use on all interior wood surfaces including furniture

Compatible with most chemicals commonly used to treat pools

Heath Zenith Piezo Door Chime Color:Black/White round shape means each toothChime plugs into any standard wall socket Simply pressing the button generates the energy to activate the chime. No batteries needed. Adjustable Volume Control 6 Chime options (Ding Dong, Westminster, Whittington, Auld Lang Syne, Beethovens 5th, Relax) Up to 200 ft. transmission range Battery free push button included LED indicator Chime mute capabilities FCC and IC Certified: Yes Warranty (Yrs): 1