Features: _x000D_ 1. Automatically identify system voltage of 12V/24V. _x000D_ 2. Wiring terminals has corresponding icon marks for connecting battery, solar panel and DC load. _x000D_ 3. Dual MOS anti-backflow circuit, low heat production. _x000D_ 4. Full 3-stage PWM charge management. _x000D_ 5. Built-in short circuit protection, open circuit protection, reverse connection protection, overcurrent protection. _x000D_ _x000D_ Specification: _x000D_ Model: CM3024Z _x000D_ Max discharge current: 30A _x000D_ Batt voltage: 12V/24V auto _x000D_ Charging Type: PWM _x000D_ Material: PVC _x000D_ Color: Black _x000D_ Size: Approx. 190 x 90 x 50mm / 7.5 x 3.5 x 2.0in _x000D_ Weight: Approx. 373g / 13.1oz _x000D_ _x000D_ Package list: _x000D_ 1 x Solar Charge Controller _x000D_ 1 x Manual _x000D_ _x000D_ Note: _x000D_ 1. Due to the difference between monitors and light effects, the pictures may not reflect the actual color of the item. _x000D_ 2. Please allow 1-3mm error due to manual measurement. Thanks for your understanding. _x000D_ 3. Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.