Features: Made of high quality plastic material, sturdy and durable in use, long service life. Great protection for your electric bicycle controller, dust-proof and waterproof. Provide with mounting screws, fixing screws and fixing clip, easy to install and use. Simple shape, compact size and lightweight, smooth surface with fine workmanship. Suitable for most E-bike, great accessory for lithium battery controller. Specifications: Material: Plastic Inner Size: 133 x 65 x 50mm / 5.2 x 2.6 x 2in Outer Size: 165 x 70 x 52mm / 6.5 x 2.8 x 2.1in Item Weight: 125g / 4.4oz Package List: 1 x Controller Box 2 x Fixing Clip 8 x Fixing Screw