From the weight of: 500 (kg) Model: DC Span: 5 (m) lift height: 3 (m) Track Type: II-type type: electric chain hoist Speed two-speed is standard Higher performance All features are integrated as standard, including, without extra cost Fast plug-in connectors make it easier to install and operate, plug and play Ergonomic Longer life, ten years maintenance-free design All related components integrated design, easy maintenance Brake / clutch control system - to avoid slipping and sliding hook Do not need to move the motor and gear parts can quickly change sprocket Door height adjustable flashlight quickly design principles and in line with human Display total working time, working status indicator and fault detection information, the maintenance program can be pre-arranged