Our wireless doorbells, featured with 984ft long operating range, 5 adjustable volumes and 55 melodies, plug receivers with indicator light will remind you in time when someone visits your home and you will never miss a visitor. One doorbell receiver can pair with up to 55 transmitters while one transmitter can pair with infinite receivers. Bring much convenience for your multiple rooms design house. Design with smart memory function of last melody setting after a power outage, no need to reset your doorbell melody. IP55 waterproof performance can resist any weather. Easy installment and widely used in your home, apartment, office, warehouses and etc.

• Expandable Doorbells
• 984 ft Long Operating Range
• 55 Melodies to Choose
• IP55 Waterproof and Widely Used
• Easy to Install

Includes:

• 1 x Receiver or 2x Receivers
• 1 x Transmitter
• 2 x Screws
• 2 x Expansion Bolts
• 1 x Double-Sided Adhesive Tape
• 1 x Screw Tool
• 1 x User Manual