SPECIFICATIONS Body Material: Aluminum alloy Brand Name: ESMARTER Certification: None Charger: Rechargeable Choice: yes Hign-concerned Chemical: None Is Batteries Included: No Item Type: FLASHLIGHTS Lighting Distance: < 50 m Lumen: 600 Model Number: K31 Model of LED Beads: Other Origin: Mainland China Waterproof: Yes Wattage: 10w