CK0415W Features Fashionable slimmer and lighter， simple yet elegant Features a stable， non-slip and broken resistant design Energy-saving design， automatic shut down when not use for 30 minutes Ergonomic design for a comfortable grip General Specs Brand & Model Huion P68  Technology Electromagnetic Digitizer Operating Current 120 uA Battery Type Lithium battery Service Life 5000 hours Dimensions 140.7 x 10.5 mm Weight 16 g