GME CA008 Gimbal Knob SUIT GR200/GR300BT/GX300/GX400/GX600/GX700/TX4600 Black Marker LED Lights while the TM400X2ad has two

while the TM400X2ad has two output channels

Bluetooth Support: Yes

Black Box VHF Marine Radio (GX750W)

The LITHIUM XS is a ‘connect and forget' charger with 8 charging steps

Choose based on your vehicle's electrical system voltage

GME CA008 Gimbal Knob SUIT GR200/GR300BT/GX300/GX400/GX600/GX700/TX4600 Black Marker LED Lights while the TM400X2ad has twoGME Gimbal Knob SUIT GR200 GR300BT GX300 GX400 GX600 GX700 TX4600 Black: A Genuine Accessory To Meet Every Need Gimbal Knob Suit GR200 GR300BT GX300 GX400 GX600 GX700 TX4600 Black GME CA008 Features: Replacement Gimbal Knob What's in the Box: Gimbal Knob Only (Single) Legendary Products & Support From Authorized Dealers When you choose GME, you're choosing quality and performance. But just as important as what you buy is where you buy it from. Here's