Product Name: Feeding Bottle Sterilizer Model No.: FBS-1 Products Detail: 1.3 units of 1.5 V AAA alkaline batteries,if using five times a day,the batteries can be used for 15 days. 2.ultraviolet lamp: usage life: 15000-20000hours wavelength: 253.7mm and 185mm have ozone inside ultraviolet rediate area: 200-400uw/cm2 3.electronic child lock: automatically open and close within 5minutes, it can also be manual 4.It can be taken down and cleaned 5.Material: ABS, PP, PC