Getting ready for your next hike, camping trip or other outdoor activity? This Cobra model has a compact design with 8+ km ( 4.9+ miles) range. Voice-activated (VOX) transmission frees hands for other tasks. It has five selectable tones to distinguish between different parties for incoming calls. A total of 1963 channel combinations are available when the 16 channels are combined with the 121 privacy codes (38 CTCSS/83 DCS). These combinations prevent interference from other radios. Features: Rugged & Water-Resistant - Water-resistant (IPX2) rugged two-way radio with 8+ km (4.9 miles) range Compact & Easy-To-Use - Our two-way radios are designed with simplicity in mind, ensuring ease of use for everyone 16 Channels & 121 Privacy Codes - Combine 16 channels & 121 privacy codes Hands-Free Operation (VOX) - In VOX mode, your two-way radio can be used "hands-free" automatically transmitting when you speak Specifications: Dimensions: H:15.3 x W:6.1 x D:4.1 cm Colour: Black Model Number: 763