WEB LINK: https://www.sonicinformed.co.za/catalogue/surveillance/smn-sr1000;

Smanos SR1000 Plug-In Wireless Signal Repeater With Built-in Power On/Off Switch Buttion + LED Indicator and MCU Technology - White Colour

Specifications:
-Power Supply: AC 110V-240V, 50/60Hz
-Backup Battery: 3.7V 600mAh lithium battery x 1
-Static Current: = 15.5 mA
-Alarm Current: = 1.1A
-Transmitting Range: = 300m
-Receiving Range: = 90m
-Maximum Accessories Supportable: 40 pcs
-Radio Frequency: 868 MHz
-Housing Material: PC+ABS plastic
Operation Condition:
-Temperature: -10°C ~ +55°C
-Relative Humidity: =80% (Non-condensing)
-Dimensions (L×W×H): 140 x 86 x 87 mm

What's in the box:
-1x Smanos SR1000 Signal Repeater