1.Warning: users have to read instruction before using the battery charger to avoid electric shock, fire and physical injury!
警告：为了避免电击、火灾和人身伤害，用户在使用前必须阅读产品说明书！
2.Please read instruction before operating and keep it for reference.
请在使用本机前阅读此说明书，并将其保存以备将来参考。
3.Clean often read instruction book before cleaning.
经常清洁，清洁前阅读说明书。
4.Please read instruction book carefully.
认真阅读说明书。