Ding Dong PIR Door Chime Kit

This kit uses a PIR (Pyroelectric infrared) sensor to detect infrared radiation from a warm body.
Has fractional round and flat lens to increase detecting efficiency.
Power requirement: 4.5-6 VDC.
Consumption: 7 mA@4.5 VDC. (Stand by)
180mA@4.5 VDC. (Working)
Detection range: 5 m. (round lens)
8 m. (flat lens)
PCB dimensions: 3.07x1.76 in
Recommended Housing: Future Box FB03

Pictured without speaker