photovoltaic system off grid trainer

{"cid":"91224892","title":"Modular Structure Wind Solar Renewable Energy Trainer With 20W Photovoltaic Cell And Overload Protection","imgUrl":"https:\/\/img.chinax.com\/nimg\/6c\/ab\/d27cb44b20cbca250c4b8924d8f7-200x200-1.jpg","attrs":{"Brand Name":"RM","Model Number":"F080","Delivery Time":"30-45 work days","User Level":"Beginner to advanced electrical students","Warranty":"1 year manufacturer warranty","Dimensions":"600mm x 400mm x 150mm","Certification":"ISO9001\/ISO45001\/ISO14001,TUV","Place of Origin":"HENAN,CHINA","Payment Terms":"T\/T,Western Union","Supply Ability":"5 unit\/30 days","Packaging Details":"wooden packing","Power Supply":"AC 220V \/ 50Hz or DC 12V","Voltage Range":"0-250V adjustable","Current Range":"0-10A","Included Components":"Switches, resistors, capacitors, transformers, meters","Purpose":"Educational and training use for electrical engineering","Measurement Instruments":"Voltmeter, ammeter, wattmeter","Material":"metal components","Weight":"5 kg","Operating Temperature":"-10\u00b0C to 40\u00b0C","Safety Features":"Overload protection, insulated terminals"}}