TIVDIO YF-0256 Chime Doorbell Wireless Motion Sensor Detect Alert Long Range 38 Melodies Volume Adjustable for Home Office Stores 1 PIR sensor and 1 Plug in Receiver

Amazon.com Price:  $14.99 (as of 02/06/2019 15:47 PST- Details) & FREE Shipping.

Reliable Range; Communication range of up to 328 feet or100 meters and the distance from the sensors to the receiver In THE OPEN AIR; detection range of the infrared sensor of approximately 3-7m/10-23ft to effectively keep you alerted
Different Ringtones; The receiver is a doorbell design with 38 different ringtones for personal preferences
User-Friendly; There are 3 mode choices Sound/LED Flash/Sound and LED Flash and 4 levels volume adjustment High/ Middle/Low/Mute from 0-80dB