160 Large Capacity ABS Waterproof Laptop Backpack with USB Charging Port(Light Grey) CCTV Accessories 8 levels of adjustable volume

8 levels of adjustable volume

and vehicle information

Power supply mode: built-in CR2450 button battery

Password button: 12-digit touch button

Night visible range to 30 ft

160 Large Capacity ABS Waterproof Laptop Backpack with USB Charging Port(Light Grey) CCTV Accessories 8 levels of adjustable volume1. Material: ABS with film fabric, polyester 2. Function: breathable, waterproof, wear resistant, shock resistant, load reducing 3. Accommodates computer size: 16 inches 4. Multifunctional business wear resistant laptop handbag 5. Large Capacity Waterproof Laptop Messenger Bag 6. ABS with film fabric, comfortable to the touch, delicate and easy to clean 7. Three dimensional honeycomb back pad, good shoulder effect, breathable and comfortable 8.