ITEM NAME:9V 12V 24V to 5V DC-DC Step Down Charger Power Module Dual USB Output DKW Descriptio n Description D C-DC USB buck charging module (with work indicator, standard contact gold-plated socket) Material: PCB Color: green Size: 28 * 14 * 8 mm Dc-dc USB step-down charging module (with working indicator light and standard touch point gold-plated socket) Compatible with mobile phone models: android series, iPhone series, huawei, xiaomi, nokia. Input voltage range: 6-24v Output voltage: 5.2v Output current: 3A Note 1.input positive and negative poles can not be reversed, otherwise it will lead to chip damage! 2.do not touch the resistance, capacitance and IC pin on the circuit board by hand when working with power on, otherwise it may cause sudden output voltage to damage the equipment! Product list: on-board charging step-down and stabilized voltage charging module We offer you what you need! Vehicle charging step-down and stabilized voltage charging modul.Dc-dc USB step-down charging module (with working indicator light and standard touch point gold-plated socket). We'd like to settle any problem in a friendly manner. Output current: 3A. We want to make sure you are happy with our item.