The HDZero Radio is a compact ExpressLRS radio transmitter designed to make ELRS simple, fast, and usable without extra gear. With a built-in 250 mW ELRS transmitter, full onboard configuration, and a smooth OLED UI, HDZero Radio removes the need for phones, laptops, or external tools during setup and flying. Its intuitive interface and simple shortcuts make it well-suited as a beginner radio, as well as a travel or secondary radio. Check out all our RC Transmitters and our HDZero selection. Features 250 mW ELRS with full configuration onboard One-touch button opens the ELRS configuration menu Packet rate, telemetry, output power, and VTX settings in one place Press-and-hold shortcut for ELRS binding Built-in 4000mAh(14.8Wh) 3.7v high-capacity lithium battery with ~10 hour battery life Sunlight-readable OLED with smooth 50 fps UI, including live stick visualization VTX Admin to change band, channel, and power without touching the aircraft Specifications Model: HDZero Radio Color: White Frequency: 2.4GHz ELRS Tx Power (mW): 10, 25, 50, 100, 250 Display: 0.96-inch OLED Channels: Up to 10CH Battery: 4000mAh Lipo (3.2V ~ 4.2V) Charging: 5V @ 2A Dimensions (mm): 165 x 128 x 68 Weight (g): 270(with battery) Links HDZero Manual Includes 1x HDZero Radio 1x Type-C cable 1x Nylon Neck Strap (Lanyard) 1x Hardshell Carrying Case