Specifications:Solar PanelSolar panel Material: A-level polycrystalline silicon solar panelDetection Rate: IP65Panel Size: 420*280mm /16.9*11.26inMaximum power: 20WRated power: 10WMaximum voltage: 21VWorking voltage: 18VCurrent: 0-1000MAWaterproof rating: IP65Conversion rate: 19.6-20%Working temperature: -40+85Scope of application: bicycle, mountaineering, hiking, camping, traveling, etc. Nixie Tube ControllerCurrent: 30A/40A/50A/60AVoltage: DC 12 /24V Auto Adapted1. Build-in industrial microchip.2. Big LCD display, adjustable parameter.3. PWM battery charging.4. Build-in short-circuit protection, open-circuit protection, reverse protection, over-load protection5. Dual MOS Reverse current protection, the low heat production.6. Adjustable controlling parameter of the system. InverterProduct name: DC12V TO AC110V/AC220V inverterOutput waveform: Modified sine waveOutput power: 3000WInput DC voltage: 12V (note: the positive and negative poles cannot be reversed and will be damaged)Output AC voltage: 220V 50HZOutput AC socket specifications: universal socketLow voltage alarm: 10V DC0.5VLow voltage protection: 9V DC0.5VOvervoltage protection: 15.5VProtection function: overload, short circuit, overheat, reverse polarity, Undervoltage/overvoltage Package included(Battery not included):1x Solar Panel1x Controller1x Inverter2x Connecting Cable1x English Manual