This Quick Sense wireless motion sensor doorbell uses PIR detection to spot visitors up to 152.4 metres away and instantly sends an 85 dB chime to the receiver. It runs on 5V AC with battery backup so alerts continue during power interruptions, and the wall-mounted sensor fits in minutes without wiring. Adjustable motion sensitivity and dependable wireless range suit shops, elderly care and busy home entrances for hands-free visitor awareness. Compact white design (7 x 5 x 10 cm) and lightweight 200 g profile blend into any doorway while delivering clear, reliable alerts.

Brand	Quick Sense
Model Number	QS-MSA03
Colour	White
Power Source	AC with battery backup (hybrid)
Operating Voltage	5 V
Detection Type	PIR motion detection
Maximum Wireless Range	152.4 metres
Alert Volume	85 dB
Product Dimensions	7 x 5 x 10 cm
Item Weight	200 g