Specification: Accessories: Buttock panel: 1 pc Small panel (butterfly): 4 pcs Relay: 1 pc Remote control: 1 pc Charging cable: 1 pc User manual: 1 pc Technical data: Weight: buttock panel: 35g Dimensions: Buttock panel: 260 x 200mm Main overlay: O 45mm Remote: 37 x 75mm Material: PU Voltage: 54V (Max) Output voltage: 54V(Max) 6 working modes 20 levels of intensity Battery type for the remote control: CR2032 AAA Relays charged via USB cable Suggested ambient temperature during use: 15-35 degrees C. Remarks: Not for commercial use 24 months warranty