BATTERY CHARGING HUB: Designed for DJI Mavic Pro batteries with a multi-charging board. 60-80 minute charge time per battery. Digital Display Screen shows charging status that can be read with just a glance. Device intelligently determines which battery has the most amount of charge and begins charging that one first before moving on to the next battery. A power supply is NOT included because the original DJI charging and USB cables plug into this device to offer optimal power. FILTER SET: *Multi-Coated Ultraviolet (UV) Filter - Absorbs UV rays giving a sharper contrast and serves as a permanent lens protector against damage and debris. *Multi-Coated Circular Polarizer (CPL) Filter - Filters out polarized light, dramatically reducing reflections from non-metallic surfaces such as water, glass, etc. *ND4/PL Filter - This filter reduces the camera s shutter speed by 2 f-stops and polarizes light. It is most often used when filming at dusk, dawn, or on cloudy days. FILTER SET (cont.): *ND8/PL Filter - Reduces the camera s shutter speed by 3 f-stops and is the perfect filter for partly cloudy days. The polarizing aspect reduces glare and increases color saturation. *ND16/PL Filter - Our go to filter on sunny days, it reduces shutter speed by 4 f-stops and polarizes the scene for capturing vivid colors. Also comes with a High-Quality Microfiber Cleaning Cloth & Protective Case with 6 Inner Pockets. CAR CHARGER: This device allows you to charge your Mavic PRO batteries on the go using a standard car outlet ensuring you are never without power. Simultaneously charge your Mavic remote controller, cellphone or anything else that charges via USB using the extra port. Charging time: 50-60 minutes, remote controller: 90 minutes. Output: DC 13.05V, 6A.