BERLS 12W Universal Power Cord 5V 6V 7V 8V 9V 10V 11V 12V 13V 14V 15V 16V 17V 18V 19V 20V Charger (16 Voltages Available) Power Supply for Speaker, CCTV Camera, TV box, SmartPhone

Efficient and safe charging: Input: 110-240V, output: multi-voltage switch 5v-20v,12W, compatible with 750mA 0.5A 1.0A 1.5A 2.0A 2.5A, etc. Maximum 3A. Built-in security and two-core copper for improved signal quality and strength, and a secure power cord to protect your device and charging adapter from damage Efficient and convenient design: The voltage of our charger can be changed according to the needs of your equipment. You can change the DC voltage freely by simply pressing the switch button. Press and hold the button for 3 seconds to activate the switch, release the button for 4 seconds and the voltage is locked successful.Please select the correct voltage before adjustment. Small household appliances usually have no circuit protection. If the voltage is wrong, the equipment may be damaged. Save money and convenience: We also have With 5 interfaces for you.5.5x2.5mm, 5.5x2.1mm, 4.0x1.7mm, 3.5x1.35mm; Micro USB; Turn polarity line. With these interfaces and different voltage outputs, you can save a lot of money on AC adapters with different voltages. Please note that the position of our product adapter will be a bit tight, please be careful to insert and pull out when using. Our advantage: upgraded version the voltage adjuster regulator has a memory function, when the power is off, next use will automatically restore the last use of voltage, no need to adjust again. Simultaneously We configure the polarity line for you.DC plug polarity Central positive ( + ), external negative (-) Some devices require an internal negative sign and an external positive sign (completely opposite), You can use transgrade lines for conversion What you can get: 1 power supply adapter,1 transgrade lines, with 5 interfaces. If you have any questions, please feel free to contact us