This is an experience drone to learn drone control & basic features related to the drone technology. With this drone, you would be able to understand the basic functionality of the drone before buying the FPV drones. BIR is the micro indoor class drone to fly in the small tight spaces. This micro drone is specifically designed for educational and learning purposes, making it the perfect choice for those who are new to the world of drones. Battery for quadcopter - 3.7V 300mAh Li-po battery (32*18*8). Caution for the battery: 1) Don’t over-charge, or over-discharge batteries. 2) Don’t put it beside the high temperature condition. 3) Don’t throw it into fire. 4) Don’t throw it into water. Package Included: 1 x Bir Drone, 1 x Transmitter (2AA Battery not included), 1 x 3.7V 300mAh Battery, 1 x USB Charger, 1 x Propeller, 1 x Screwdriver, 1 x English manual. Working time 3- 4 min, Charging time - about 15 mins, Motor type - coreless motor, Remote Control - 2.4GHz / 4 Channels, Gyroscope - six axis, Material - ABS