? PRODUCT INTRODUCTION XK-ESB1 Lighting training bench includes kinds of lighting lamps, for example, high pressure sodium lamp, high pressure mercury lamp, LED lamps etc. Help user to understand the lighting principles of kinds of lamps. XK-ESB1 equips with distribution box, to supply the power sources and several power sockets that experiment required, convenient for experiment, the power source equips with overload protection and leakage protection, ensure that safety of the experiment. Training bench adopts the aluminium profile structure, the modular structure, easy for upgrade, functional grouping is strong, installation and using is convenient etc. ? TECHNICAL PARAMETER Power source: AC380V±10%, 50HZ Bench size: 1183mm×700mm×981mm (L*W*H) Working temperature: 0~+50℃ Storage temperature: -20℃~+80℃ Humidity: 40~90%RH ? ACCESSORIES Industrial plug 1pce Experiment wires 40pcs High pressure mercury lamp 1pce High pressure sodium lamp 1pce Fluorescent lamp 1pce Filament lamp 1pce LED lamp 1pce Daylight lamp 1pce? ?