Features: brand new and high quality Exquisite Technology: Carry with 2.4G spectrum spread technology as well as channels frequency-hopping spread spectrum, highly resistant of anti-jamming to ensure highly sensitive transmission. Highly Sensitive Transmission: Quick response for time around 2ms to offer a better control inputs and stable even with long distances. Speciality Design: Supporting controlling of multiple channels transmitter, controlling distance can up to around 65m. Upgrade Remote Controller: Upgrade transmitter & accessories receiver, highly sensitive with more quickly response even under far distance with good performance, carry with micro-adjustable steering gear to ensure the flexibility steering, fit for RC KIT version & full scaled RC for cars. Various Compatible: Suitable for RC for cars, for variety of RC toys, such as MN90K MN91 MN91K MN45 MN45K MN99 MN96 MN99S modified, as well of WPL series B14 B14K B16 B16K B24 B24K B36 B36K C14 C14K C24 C24K C34 C34K. Specifications: Net Weight: approx. A 187g/0.41 lbs, B 148g/0.32 lbs Style Option: A(with Li-on Battery 7.4V 500mAh)/B(without Li-on Battery) Packing Dimension: approx. 25 x 28cm/9.84 x 11.02 inch Material: Plastic, Electronic Components Battery Duration: around 40mins Note: Please allow 1-2cm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1 x Remote Controller 1 x RC Circuit Board 1 x USB Cable 1 x Rechargeable Battery (the package you received may not include rechargeable battery since it depends on the model option you select)