Brand Name: OHS Certification: CE Certification: RoHS Voltage: ＜20V Is Batteries Included: Yes Minimum haircut length: less than 0.5mm Origin: Mainland China Function: Charging indication Function: Battery operation Length adjustment method: Change of nozzles Blade Material: Titanium Alloy High-concerned chemical: Lithium Carbonate Charging Time: 3 Hour Usage Time: 45Mins Power Type: Rechargeable Motor: ROTARY Motor type: ROTARY Target Audience: adults Power Source: Rechargeable Choice: yes