NineLeaf Motion Sensor Door Chime 20PK — Wireless Motion Sensor Doorbell/Alarm, 48 Ringtones, 5 Volume Levels (97dB), 1300ft Range, Easy Install

Quick Setup: The receiver is plug-and-play — just insert it into a power outlet and it’s ready. The motion detector mounts easily with included screws or double-sided tape and features a rotatable base that adjusts 360 degrees horizontally and 180 degrees vertically so you can aim it precisely where needed. 4-in-1 Functionality: Operates in Welcome, Doorbell, Alarm, and Nightlight modes. The detector senses movement around driveways, porches, gates, homes, sheds, offices, walkways, pools and more, then immediately notifies the receiver. Sound & Light Options: Pick from 48 melodies and set one of 5 volume levels up to 97dB. A silent flashing mode provides visual alerts for users with hearing difficulties or sleeping infants. The unit also includes a soft night light with 7 brightness levels for customizable illumination. Long-Range, Reliable Wireless: Built on upgraded 433MHz wireless technology for a stable, interference-free link with an obstacle-free range up to 1300ft. The DIY pairing feature allows one receiver to be paired with up to 32 wireless buttons — ideal for expanding coverage in homes or businesses. Energy Efficient & Power Options: Receiver standby power consumption is 100mW (about 0.8 kWh per year), keeping energy use low. Detection transmitter battery and USB dual power supply provide flexible powering options. Note: the detector is not waterproof.