Function: 1. Thanks to the connection line function: turning off the power after the alarm allows you to control the equipment that the customer wants to control, and the wind level will be turned off to the set level. 2. Three Cup Wind Cup: Anemometer adopts three cup wind speed measurement, 360 wind speed measurement, high accuracy. 3. Wide measuring range: The measuring range of wind speed alarm is wide, anti-interference ability is strong, with electromagnetic anti-interference function. 4. Power failure memory function: The wind speed alarm digital circuit uses CMOS chip with power failure memory function, which saves time and energy. 5. During normal operation: Wind speed in the window shows the current actual wind speed; Set wind level to display the current alarm wind level; Maximum wind level Indicates the maximum wind level during the day. Specification: Item Type: Tower Crane Anemometer Fan Blades Weight: 554 g/19,5 oz Power supply: USB 5V Host Size: 115x60x30mm/4,5x2,4x1,2 inch Main machine mounting hole: 15x39mm/0,6x1,5 inch Windshield mounting hole: 4 cm/1,6 inch Windshield cable: 8 m/26,2 feet Application scenario: wind speed measurement in power plant, weather station Wind Level Accuracy: 0,3 Set wind level: 2-12 (can be set by 0,5 / za each time) Accuracy: 5% Initial wind speed: 0,7 m/s Operating temperature: -30-65 Material: plastic How to use: Direct connection and use of USB. List of packages: 1 x Alarm Wind Speed Meter with Cable 1 x USB cable 1 x Permanent Support 1 x fixed akcesoria auxiliary 5 x Screw 5 x Nut