STARK WALKIE TALKIE AUTHORIZED DEALER IN INDIA Stark walkie talkie SGS10 - L Features: ◆. Output power : 4W / 5W ◆. Frequency Range - VHF: 136-174MHz UHF: 350-390MHz, 400-470MHz ◆. Channel - 16 ◆. Battery - 3000mAh(Li-ion) ◆. Battery Backup - 17 to 18 hours ◆. Torch ◆. COMPLIES WITH IP54 ◆. MILITARY STANDARD OF MIL STD 810 C/D/E/F/G.