Features: Made of quality plastic material, steady current to charge your vacuum cleaner. With over-load protections, overcurrent protections, anti-starting impact, anti-electronic interference functions. High efficiency and low energy consumption, used for charge the window vacuum cleaner, good performances, and quick charging speed. Humanity designing, help you insert the DC-connector easily, convenient to charge even for socket in high position. Compatible for WV1, WV2, WV5, WV50, WV50Plus, WV51, WV55, WV55R, WV60, WV60Plus, WV70, WV70Plus, WV75, WV75Plus vacuum cleaners. Specifications: 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 Ranges: -20~45 Humidity: 0%~95% Note: Please allow 0-1cm error due to manual measurement. Please allow for slight color difference due to different display resolution. Package includes: 1x Vacuum Cleaner Chargers