Feature: 1. IP67 protection grade, dust-proof, waterproof, anti-oxidation, durable, long-term use. 2. Heat conductive silicone is used for filling and sealing, which is waterproof, dust proof and circuit oxidation proof. 3. Equipped with thickened aluminum shell, multiple heat conduction grooves, good heat dissipation performance, increase product stability. 4. With perfect overcharge protection, reverse connection protection, short circuit protection, high temperature protection and other functions, you can use it at ease. 5. This controller can control the wind turbine to automatically charge the battery, and the use method is simple. Specification: Condition: 100% Brand New Item Type: Wind Charge Controller Material: Aluminum Alloy Protection Grade: IP67 System Voltage: DC12V/24V Static Power: ≤15mA Fan Input Power: 12V ≤ 300W, 24V ≤ 600W Fan Boost Start Voltage: 12V (24V Battery), 24V (48V Battery) Working Temperature: -35 °C -70 °C Battery Overcharge Protection Voltage: 14.4V (12V Battery) / 28.8V (24V Battery) Exit Overcharge Protection Voltage: 13.6V (12V Battery) / 27.6V (24V Battery) Applicable Battery: Lead Acid/ Gel Battery Weight: Approx. 274g / 9.7oz Size: Approx. 9.3x8.4x2cm / 3.7x3.3x0.8in LED Indicator Indicating Content Status Function Green Fan Charging IndicationOff 1: Wind not connect,2: No wind On Wind charging Red Fan Brake Indication Off Controller working On Battery high voltage or high temperature . Package List: 1 x Wind Charge Controller1 x Instruction Manual Note: Please note that the product should not be exposed to the sun and absorb heat quickly.