CZI TK300 Backpack Tether The TK300 Backpack Drone Tether allows your drone to fly and hover at 100 meters, with 10 meters of allowance for protection from the wind. TK300 is designed to extend the flight time of drones carrying battery-draining payloads. When connected to a power supply, the DJI M300 RTK carrying a powerful payload can hover for hours with TK300 backpack tether. The extended flight time is perfect for mission critical situations that law enforcement, fire fighters, and others need to keep people safe. Out of the box, TK300 is fitted for DJI M300 RTK. However, TK300 can be customized to fit other DJI drone models. In The Box 1x CZI TK300 Backpack Tether Specifications Specifications Details Size of the drone module 134 x 92 x 97 mm Weight of the drone module 515 g Overcurrent protection Automatic protection when output current > 65A Overheating protection 80 ℃ Size of the case 560 x 390 x 260 mm Weight (including cable) 13 kg Power rating 3.0 kW Type of portage By hand, backpack Floor placement 2 folding stands Cable length 110 m Nominal input voltage AC 220 V ± 10% Operating temperature -20 ℃ to +50 ℃