Blue elevator server test tool with powerful function which can check and adjust various data. Features: Large and high accuracy test tool which can work stably. Made of fine material with durability and long service . Double line LCD display, clear and mechanical keyboard. With debugging panel functions which can be set 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 difference between different monitors, picture may not reflect actual color of item. Package List: 1 * Elevator Server Test Tool Large power and high accuracy test tool which can work stably. Made of fine material with durability and long service life. Suitable fit for OTIS and XIZI OTIS. With debugging panel functions which can be set the various parameter and other operations. Double line LCD display, clear and mechanical keyboard.