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Cheap Window And Door Wireless Independently Alarm Magnetic Contact Switch
Specification
Model: CA-05
Working voltage: 4.5V（Three AG13 button batteries）
Quiescent current : ≦1.5uA
Alarm current : ≦10mA
Size : subject：35*53*23mm magnetic stripe：18*51*20mm （W*L*H）
Separation threshold : 10mm（Subject to separate from the magnetic stripe of more than 10 mm immediately sent 105 db treble）
Installation : Double-sided adhesive fixed inductive way; Magnetic door body with a magnetic stripe alarm in an instant by more than 1 cm apart.
Specification
Model: CA-06
Working voltage: 4.5V（Three AG13 button batteries）
Quiescent current : ≦1.5uA
Alarm current : ≦10mA
Size : subject：35*53*23mm magnetic stripe：18*51*20mm （W*L*H）
Separation threshold : 10mm（Subject to separate from the magnetic stripe of more than 10 mm immediately sent 105 db treble）
Installation : Double-sided adhesive fixed inductive way; Magnetic door body with a magnetic stripe alarm in an instant by more than 1 cm apart.
Specification
Wireless metal roller shutter switch
Model: 5C- 55W
Brand: Chuangan
Dimension: 106*38*10mm (switch) 106*16*16mm(magnet)
Housing: Metal(Alloy-Al ), grey
Gap: 50-70mm, 60-70mm available
Output: N.C. N.O. & Changeover available
Leads: 1007UL22AWG530mm, with 380mm stainless steel cable
Remarks: 4 screws included
http://www.szca-alarm.com/