The difference between this one VS product id:1985878 The receiver board color is different,this one is gyro,and 1985878 is not Description: Item Brand:LDRC Item Number:LA0018S/L0019S-1/LA0027S Item Name:Transmitter/receiver board/full set Material:Plastic and electronic parts Color:As picture shown Product Size:Transmitter is about 160*125mm,battery is about 54*30mm,receiver board is about 47*30mm,usb cable is about 550mm length Product Weight:Full set is about 123g,transmitter is about 63g,battery is about 37g,receiver board is about 8g,usb cable is about 10g Compatible Model:LDRC A86 A86P 1802 WPL D12 D22 D32 MNRC MN68 1/18 rc cars vehicles models Specification: Transmitter: Frequency:2.4G Channel:3CH Remote Control Distance:30-50m Required Battery:2X 1.25V AAA batteries(not included) Li-ion Battery: Voltage:7.4V Capacity:500mAh Plug Type:SM plug Required Charging Time:About 120 minutes Support Using Time:About 20-30 minutes Full Set Package Included:(optional chosen by yourself) 1X Remote Controller 1X Li-ion Battery 1X Receiver Board 1X USB Charging Cable 1X Power Wire 1X Switch Wire 1X Motor Wire 1X LED Light Wire Remote Controller Package Included:(optional chosen by yourself): 1X Remote Controller Receiver Board Package Included:(optional chosen by yourself): 1X Receiver Board