Solar garden lamp is designed and manufactured with environment-protection and energy-saving. And it will be better for garden, park and community. We use imported silicon solar crystalline panels and totally sealed free-maintenance acid-lead battery. The control system include PV anti-discharge, battery, battery over-charge protection and battery over-discharge protection (see the controlling instruction). It is made by high efficient DC energy saved lamp or high efficient LED lamp. It is with light controller and time controller. No wire, no manual control or management, it show the characteristic of environment-protection, energy-saving and long time life everywhere.