ITEM NAME:2.4GHz Digital Remote Control Transmitter for WLtoys A949 RC Car DIY Accs Description: High receiving sensitivity 3CH remote control for RC cars and boats Not include receiver Multi-device and multi-user simultaneously Built-in design of the antenna in the transmitter Very low power consumption, and stable performance Fast response speed and strong anti-interference ability remote system with intelligent design can be widely used Specification: Channels: 3CH Remote control frequency: Material: Plastic Mode type: RC car/boat RF range: Less than 20dbm Low voltage warning: yes (less than 4V) Powere supply: 1.5V AA Battery (not includeded) Size Chart: Approx. 13.5x7x23cm/ 5.31x2.76x9.06inch Package Includes: 1 Piece Remote Controller(Not Included Receiver) Note: Due to the difference between different monitors, the picture may not reflect the actual color of the item Due to manual measurement, there may be 1-2mm error in size SKU: FUZ0016197061010136.Built-in design of the antenna in the transmitter. Mode type: RC car/boat. Very low power consumption, and stable performance. Not include receiver. Fast response speed and strong anti-interference ability.