Wireless Mid-size 2-Zone Door Contact (30m distance) c/w 3 “AAA” Batteries

Features:

• Each zone is independent and has its own serial number
• Zone 1 : High sensitivity Reed switch (magnet included)
• Zone 2 : Universal transmitter input (N.O / N.C)
• Dimensions: 11cm (H) x 3.2cm (W) x 2.5cm (D)