WEB LINK: https://www.sonicinformed.co.za/catalogue/surveillance/smn-ds2300-4;

Smanos DS2300/4 Door/Window Alarm

The DS2300 works well with any door, window or opening
When triggered (separated), an alarm signal will be sent to the system for appropriate response
It also comes with tamper protection to enure system integrity, and can work with other wired detectors

Specifications:
Power Supply: DC 3V (CR2032 button cell battery x 2)
Static Current: = 1 uA
Alarm Current: = 10.5 mA
Transmitting Distance: = 80 m (open area/no interference)
Radio Frequency: 868 MHz (±75KHz)
Housing Material: ABS plastic
Operation Condition: Temperature -10°C ~ +55°C
Relative Humidity: =80% (Non-condensing)
Transmitter Dimensions (LxWxH): 72 x 28 x 10 mm
Magnet Dimensions (LxWxH): 58 x 14 x 9.5 mm

-Weight: 200g
-Dimensions: (L)15 x (W)11 x (H)5cm