The DeWalt DXFRS800 FRS walkie talkie is as tough and powerful as they come. Designed as IP67 standard for dustproof and waterproof, and withstands a 2-meter drop. Equipped with 22 preset channels and voice-activated transmission, this radio can cover up to 300,000 square feet or 25 floors. It is ideal for the toughest jobsite conditions. These FRS Walkie Talkies offer 2662 channel combinations and presets with privacy codes to minimize interference. VOX (Voice-activated transmission) enables waterproof hands-free operation, and vibration mode is available for incoming transmissions. The 2000mAh Li-Polymer battery allows for an extended 18 hours of continuous usage, ideal for a full day of work and more. Offer complete protection from dust and withstand water immersion for 30 minutes in 1-meter-deep water. They are also designed to withstand a 2-meter drop. Include a swivel holster, desktop charger, 1000mAh rechargeable Li-Polymer battery, AC adaptor, and USB charging cable.