1byone Wireless Doorbell, Waterproof Door Chime Kit Operating at Over 500 Feet with LED Flash Battery-operated 1 Receiver and 1 Push Button , 36 Chimes, 6 Levels Volume, White

Key features

• Compact Design - Long range of up to 500ft /150m. Place this kit’s push button and receiver anywhere, and always be notified when a visitor arrives no matter where you are in the house. FCC and RoHS certified.
• 3 Notification Modes - Press the Sound-and-Flash Button to set your preferred notification mode. Modes include sound only, LED flash only, and sound and LED flash combined. Choose from 36 different ring tones with 6 levels of adjustable volume (High / Medium / Low) from 25-110dB.
• Easy Installation - The chiming receiver unit can be free standing or wall mounted using the included mounting hardware. The IP44 waterproof push button can be fixed to a doorframe with screws or using adhesive tape.
• DIY Expandability - Expand this system to fit your needs by pairing up to 5 push buttons to your receiver. Each push button can also be paired with multiple receivers to increase the notification coverage area. Easily expandable to meet your requirements!
• What You Receive - Push Button, Receiver Unit, Mounting Materials, User Manual, 90-day Money-back Guarantee, 24-month Warranty, and Friendly Customer Service.