1,solar energy, eco-friendly product. 2,biult in 1pc rechargeable lithium. 3,with 3pcs high bright LED. 1, solar energy, ... ,biult in 1pc rechargeable lithium, it can be charged up by normal light and sun light, if your torch continuous recharge for ... *10mm.7, material:ABS.8, with metal keychain. solar LED torch with keychain