Standard: Qi 1.12 Output: DC 5V 1A Size: 69*69*2.2 mm. ( only 2.2mm thickness) Charging temperature rise: 12℃. ( about half of all others competitors ) Power source: Any 5V USB-typeA power source like laptop's USB port, cell-phone assorted USB power source. Protection: IP67 Power calbe: 1.0m, UL-V0, 5Kg pulling force and 3k times bending. Best for first time try!