High Efficiency: WEIZE solar panel is constructed with high-performance Monocrystalline solar cells that offer higher efficiency up to 21% than Polycrystalline in bright weather condition, it provides a long service life and is virtually maintenance free.Durable: The anodized aluminum frames, tempered glass and sealed junction box make the solar panel corrosion-resistant and weatherproof for superior outdoor performance.Versatile: The industrial-standard solar panel features 36.4" x 26.8" x 1.2" size, 2.6ft cable with connectors, produces 300-600Wh a day, generates 5.3 amp power, charges 12 volt battery, ideal for RV's, cabins, sheds, remote locations and other small power generation needs.Installation: Ready for installation. Pre-drilled holes compatible with common ground mounts, Z-brackets, side pole mounts and tilt mounts. ( Mounting hardware is not included. )Warranty: WEIZE solar panel aims for quality followed up with quality customer service directly provided by the manufacturer. A satisfied solution will be given for ANY of your problems. Our support team is on standby for YOU.