16 preset channels, any channel in the frequency range can be by turning the knob on the two-way walkie-talkie The long-distance communication of the intercom can reach 1~10KM in the open area without obstructions such as cities or towns, rural areas, suburbs or seaside Strong and ABS protective shell case [ Battery] Under normal conditions, the walkie-talkie can be used for 8-96 hours on a full charge, and up to 8-12 hours of continuous use. Actual time depends on the frequency of use; 3-4 hours can be fully with 0 capacity battery, long battery life. and compact, suitable for a of scenariosSmall size, light weight, hard and shell, drop-proof, this handheld two-way radio transmitter is suitable for hotel management, villas, restaurant kitchens, outings, outdoor hiking, construction sites, factory warehouses, car driving, cruise ships, schools, churches, retail stores and supermarkets, security personnel, construction workers, security maintenance personnel. Model: -888S Frequency. 400-470 (MHz) Power: 5W Channel: 16 Weight: 150G Voltage: 3.7V Battery: 2800 mA Plug Type: US Plug, it applies to Canada, India, Mexico, Thailand, Taiwan, the , the Philippines and so on. size:115x6ABS0x33mm Material:ABS colour:black Voltage: AC100-240V Package Contents: 1 * walkie-talkie 1 * charging stand Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.