Specification:
Material: ABS, Aluminium Plate
Weight: 457G
Voltage: 12V-24V
Max Output Power: 240W
Overload protection: 12V 20A DC; 24V 10A DC
Operating Temperature: -25 degree to 80 degree
Electrical Life:10000 make and break cycles at full load

Wiring Connection:
The Blue wire: connect the cathode of the storage battery.
The Yellow wire: connect the anode of the storage battery.
Sheet Copper：connect the load generator.
The Red wire: connect the cathode of the storage battery.
The Black wire: connect the anode of the storage battery.

What is included:
1 x Digital Voltmeter+12V Cigarette Socket +Double USB Power Charger Adapter Waterproof
Flush Mount 6 Gang Rocker Switch Panel
4 x Stainless Steel Screw