Description: 12/24V Multi-function Power Box: Compact and portable, this power box is easy to use and compatible with multiple devices for convenient charging Car RV Charging: Keep your devices while on the road with this smart battery charger control switch, featuring USB-3.0 and PD output options for efficient power delivery USB Output: Stay connected and powered up with this versatile power box, for car and RV charging to your devices are to go Smart Battery Charger Control Switch: Take control of your charging needs with this convenient power box, designed for easy use and compatibility with a variety of devices Compatible With Multiple Devices: From smartphones to tablets, this power box is the solution for keeping all your devices and ready for use wherever you go Specification: Name: Black Control Box + 50A for Anderson Power Cord 8AWG 30cm Long Model: AOS3515-50A-Z Product size: 210 x 70 x 70MM Product input voltage: 12/24V USB output: 5V 4.8A (2.4A+2.4A) lighter rated voltage and current: 12V 20A/24V 10A Voltmeter measuring range: 5-30V Installation and fixation: Users can choose to fix the bracket in the RV or other places suitable for fixation, or they can choose not to fix it. Power supply mode: for Anderson interface power supply Color: Black Material: Aluminum alloy + plastic Package Contents: 1 x Control Box 2 x Fixed Accessories 8 x Screw 1 x 30cm 8AWG for Anderson Power Cord Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.