Colour: Black<br/>Material: ABS + TPE<br/>Power supply: AAA * 4 battery (Not included)<br/>Duration: about 90 minutes<br/>Product size: 12.3*2.55*8 inches<br/>Waterproof performance: do not soak in water<br/>Net weight: 550 grams<br/>●After use and clean, please put it in a place that is not accessible to underage.<br/>●For personal hygiene, clean it after use, dry it, and put it back in the box.<br/>●For privacy, please keep the product out of reach of children.<br/>●Minors do not buy this product.<br/>●The data will be a few millimeters of error for manual measurements, please understand.<br/>●After use, clean with warm water, then dry with a dry towel to avoid breeding bacteria.<br/>●7~21 days of arrival, 24 hours of manual service.