LD-P819 Sensor price is available at sensotec website.
LD-P819 Features:
External adapter: DC5V
Internal battery: 3 AAA battery
Standby current:≤ 50uA
Alarm current: ≤ 20mA
Detection range: 6-12 meters / 110 degrees
Wireless distance: ≥150 meters (open area/no interference)
Wireless transmitting frequency: 433 MHZ (+ 75 KHZ)
Shell material: ABS plastics
Operating temperature: 80% or (no condensation)
Detector size: 106 x 65 x 44 mm
