Greaval Long Range Walkie Talkies Rechargeable Walkie Talkies for Adults with Earpiece UHF 400-470Mhz Two-Way Radios Li-ion Battery and Charger Included (3 Pack)

------ Why Greaval? We take your shopping experience as priority. We believe your purchasing is just the beginning of our story and our helpful service never ends. Contact: support@greaval.com for any help regarding the product. Battery performance (Full Charge): Standby Time..........5-7 days Typical Use.............1-2 days Continual Use........7-12 hours Charging Time........3-4 hours Communication Range performance: Open Fields............2-3 miles Residential Area.......0.6-1.5 miles Inside Buildings.....1-50 floors(Except basement) Specification: Antenna Impedance: 50ohm Battery Type: Li-ion battery Battery Capacity: 1500mAh Rated Voltage: DC 3.7V Frequency Range: UHF 400-470MHz Channel Memory: 16 (Preset) Output power: ?5 Watt Modulation: F3E Spurious Emission: 65dB FM Noise: -45dB(W) -40dB (N) Audio Distortion: 5% Transmitting Current: 1.3A CTCSS/DCS Codes: Supported Emergency Alarm: Supported VOX Function: NOT Supported Low battery alarm: Supported Power saving function: Supported English voice prompt: Supported Channel Programmable: Yes Extra Features:Built-in LED torch Note: Advanced settings accessible with serial cable(not included). Working temperature: -30~+60°C Item Weight: 160 gram/ 5.6 Oz Item Dimension: 60[L]×33[W]×115[H]mm(Excluding antenna) Package Content: 3 × Radios 3 × Li-ion Batteries 3 × Antennas 3 × Belt Clips 3 × Hand Straps 3 × Ear Pieces 3 × Chargers 2 × User Manual