Door Chime Wireless Door Open Contact Sensor Alarm with 600 FT Range

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Simple Installation - The door sensor and receiver are already paired, just attach the transmitter and plug the receiver into a standard outlet. Choose your preferred tone and it's ready to go. Durable Design - Designed with Ultra-Low-Power technology and powered by a single AAA battery, this window sensor can last up to 1-2 years before needing a replacement. A Necessary Addition - With a reliable 600FT working range, this door chime is perfect for home and business entry alerts. Ideal for securing front doors, child safety gates, upstairs windows, cabinets, and basement doors. Adjustable Sound - Choose from 32 different tones with 5 volume levels, including a maximum of 120dB to ensure you never miss an alert. Want some peace and quiet? Simply set it to mute. Show more