Product name: 19 high-end indicator electric heating handles 【Product Model】: CS-990A1 【Product Net Weight】: 307G Product gross weight: 365G Product size: 13.3*3.7CM Packing size: 20.5*13.5*6CM Product material: TPV Working voltage: 12.4v-15v Output power: 20-40W Working temperature: -15°C-50°C Applicable pipe diameter: diameter 2.2CM Product accessories: glue×1, throttle core×1, handle block *2 Scope of application: Suitable for installation and use of DC12V scooters, motorcycles, ATVs, and tricycles Protection voltage: When the voltage is lower than (12.5±0.2) volts, the heating handle turns off the output, and the controller enters the sleep state Instructions for use: 1 The red wire is the positive electrode, and the black wire is the negative electrode. Please do not connect incorrectly, otherwise it will easily cause damage to the product 2 Power on the controller, the indicator flashes 3 times, and enter the standby state. Note: The flashing color of the indicator light is green to indicate normal, and the color is blue to indicate that the protection function does not work (controller failure), but it can Normal heating 3 In the standby state, press the button on the handle, if the power supply voltage at this time is lower than the starting voltage of the electric heating, the red indicator light flashes a few times and enters the standby state. 4 In the standby state, press the button on the grip cover.