OOTDTY 86 Type Embedded Smart Wired Doorbell Not Disturbed Door Bell Flame Retardant

Features:Installation is simple and convenient, no need for batteries, directly connected to power supply.Clear ringtone reminds you of guests in time.Low power consumption and energy conservation.Particularly suitable for the elderly, deaf, and pregnant women.Easy to use, great for large house including villas, apartment, office, warehouse etc.Wired Doorbell only, other acceories demo in the picture is not included.Specification:Material: Flame Retardant PCSize: app.86x86mm/3.39x3.39inColor: Gold,White3 Styles Optional: 2 Line No Delay,3 Line Delay,4 Line DelayQuantity: 1 PcNote:No retail package.Please allow 0-1cm error due to manual measurement. pls e sure you do not mind before you bid.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!Package Contents:1 x Wired Doorbell