Cảm biến cửa nam châm bảo vệ không dây

• Item Type: Sensors & Detectors
• Power Supply: CR2032 3V Battery (no battery)
• Internal Distance: 15 mm / 0.59 inch
• Static Current: <20 mA
• Transmission Current:  ≤15mA
• Transmission Frequency: 433MHZ ± 0.5MHZ
• Transmission Distance: About 30m 

Gói hàng bao gồm:

• 1 x Wireless Door Window Gap Sensors