Dahua Technology ARD323-W2(868S) Wired Ceiling White

Dahua Technology ARD323-W2(868S). Connectivity technology: Wired, Operating frequency: 868 - 868.6 MHz, Detection distance: 1200 m. Mounting type: Ceiling, Installation: Indoor, LED indicators: Alarm, Yes. Power source type: Battery, Battery life: 5 year(s), Battery technology: Alkaline. Width: 100.2 mm, Depth: 20.8 mm, Height: 20.3 mm. Package width: 135 mm, Package depth: 98.5 mm, Package height: 27.8 mm