Specifications: With clear digital display, it is easy and convenient to get the data. The intelligent chip allows it counting accurately. It has power off memory without machine damage, durable enough. This product is widely used in petroleum, chemical, textile, machinery, mining, national defense, agriculture, food, printing and other industries. Item Name: Digital Counter Material: ABS Model: JDM11-6H Working Power Supply: According to Shell Mark, Voltage Fluctuation Range: 85% - 110%U Power: 10W Counting Range: 1 - 999999 Counting Speed: 10 Times/s (Minimum Counting Pulse Width: 50ms) Working Mode: Continuous Duty Counting Method: Contact Counting, Level Counting, Sensor Counting Operating Temperature: -5 - 45 Celsius Degree Storage Temperature: -20 - 70 Celsius Degree Reset Time: 0.5s Power Restart Time: 1s Reset Method: Panel Reset Counting Error: 1 Installation Method: Panel Type Working Humidity: 35% - 85%RH Data Retention: 10 Years Voltage Surge: 1.5UE Working Voltage: DC 24V Features: Convenient, Durable, Resettable Size: 8.7cm x 5.7cm x 4cm/3.43" x 2.24" x 1.57" (Approx.) Notes: Due to the light and screen setting difference, the items color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Digital Counter 1 x Chinese Manual