Blue elevator server test tool with powerful function which can check and adjust various data. Features: Large power and high accuracy test tool which can work stably. Made of fine material with durability and long service life. Double line LCD display, clear and mechanical keyboard. With debugging panel functions which can be set the various parameter and other operations. Suitable fit for OTIS and XIZI OTIS. Specifications: Item Size: 178 * 96 * 42mm / 7.0 * 3.8 * 1.7in Package Size: 200 * 150 * 50mm / 7.9 * 5.9 * 2.0in Package Weight: 350g / 12.3ounce Notes: Please allow 1-30mm error due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package List: 1 * Elevator Server Test Tool