Feature: 1. Replaceable Head: Easy to disassemble and clean well, the brush head can be replaced at will to meet different cleaning needs and easily remove stains at the bottom of the bottle. 2. Brush Handle Design: Comfortable handle, non slip good control, cleaning effortless, equipped with lanyard storage, drainage more thoroughly, convenient and simple storage. 3. Powerful Cleaning: The strong torque motor enhances the cleaning power, forms a strong rotating water flow, and effectively removes stubborn stains in deep bottle. 4. Safe Material: Made of food grade silicone and PP material, parts have been strictly tested, BPA free, environmentally friendly, odorless, durable and safer to use. 5. Practical in Use: IP65 waterproof grade, cleaning without burden, built in 1800mAh lithium battery, charging can work for 3 4 hours, high temperature resistance, easy to use. Specification: Item Type: Electric Bottle Brush Set.Voltage: 5V 2A Power: 4W Battery: 18650 lithium battery 1800mAh (included) Material: Food grade silicone + PP + sponge Waterproof Grade: IP65 Working Time: 3-4 hoursGross Weight: Approx. 446g/0.98lbMaximum Withstand Temperature: Brush head 220°C, handle 80°C Package List: 1 x Main Unit1 x Milk Freighter1 x Whisk1 x Sponge Brush1 x Brush 1 x Silicone Brush 1 x Nipple Brush 1 x Long Feather Duster 1 x Short Feather Duster1 x Instruction Manual1 x Usb Cable