Made of quality plastic material, provides steady current to charge your vacuum cleaner. Includes over-load protection, overcurrent protection, anti-starting impact, and anti-electronic interference functions. High efficiency and low energy consumption, designed for charging window vacuum cleaners with reliable performance and fast charging speed. Ergonomic design allows easy insertion of the DC connector, convenient for charging even when the socket is in a high position. Compatible with WV1, WV2, WV5, WV50, WV50Plus, WV51, WV55, WV55R, WV60, WV60Plus, WV70, WV70Plus, WV75, and WV75Plus vacuum cleaners. Material: PC Plastic Color: Black Plug Type: Standard 4 Kinds of Plugs Optional Applicable Models: Suitable for WV1, WV2, WV2Premium 2nd Generation, WV5Premium 2nd Generation, WV50, WV50Plus, WV51, WV55, WV55R, WV60, WV60Plus, WV70, WV70Plus, WV75, WV75Plus Window Glass Vacuum Cleaners Input: AC110V-240V 50/60Hz Output: DC5.5V 600mA Cable Length: Approx. 120cm/3.93ft Input Fluctuation Ranges: 90V-264V, 47Hz-63Hz Output Error: less than 5% Work Efficiency: more than 75% Ripples: greater than 120mV High-voltage Test: greater than 3KV, 10mA, 60S Operating Temperature Range: -20°C to 45°C Humidity: 0% to 95% Package Includes: 1 x Vacuum Cleaner Charger Note: Please allow 0-1cm error due to manual measurement. Please allow for slight color difference due to different display resolutions.