The signal is stable and the remote control is convenient in all directions. The signal can penetrate the wall for about 80m in an open environment Wireless radio frequency has great potential for low-power remote control Both durability and practicality are taken into consideration. It is safe, environmentally friendly and has strong anti-fall ability Wide application range, applied in multiple scenarios Waterproof shell, Weight: 0.0661386786 pounds, Manufacturer: Kueohse