1, General: A, 22 Channels; B. FRS Frequency standard; C. Up to 3km range; D. 0.5W transmit power 2, Display (show on LCD): A, Tx/Rx indicator; B. Volume level indicator; C. Battery level indicator; D. Key lock indicator 3, Control Buttons: Power button; B. Up button; (Volume, Channel, ); C. Down button (Volume, Channel, ); D. Talk button; E. Call button; F. Menu button 4, Main material: The flashlight body/cases and handle are made by ABS plastic, and the lens is made by strong PVC. 5. Money-saving expert and environmental friendly product, no need to change the batteries. Specifications 1, Motor type: Brushless Motor (1 pcs). 2, Battery type: Lithium battery, 500mAh 3, 120rpm/1min wind-up provides: A) 5 mins talk time; B) 18 - 20 mins stand by time. Battery with full power provides: A) 4 hours talk time; B) 16hours stand by time. 4, Charging method: A) by cranking the flashlight handle; B) charged by AC adapter. Battery get full power: A) 1.5 hours by cranking the flashlight handle b) 1.75 hours charged by AC adapter. 5, Product size: (L*W*H)13.1*6.9*3.7cm 6, Different colors is available Packaging: 100 pcs per carton, measurement, 47X38X28cm, gross weight, 16.00kgs