Hobbywing - Multifunction LCD Program Box PRO (G3) Apparel L 3mm diameter connection holes are

3mm diameter connection holes are placed in various locations for customization

Convenient USB Charge Port-Just plug any USB-C or micro USB cable or use the included cable to charge four batteries at once

The blue anodized aluminum sleeves are a nice accessory to add to RC8B4 and RC8T4 series nitro and electric CVAs

Stepped bullet connectors are compatible with batteries that use 4mm or 5mm sockets

durable hard case helps prevent damage while embedded socket connectors keep power-robbing resistance to a minimum

Hobbywing - Multifunction LCD Program Box PRO (G3) Apparel L 3mm diameter connection holes areThis multifunction program box is for programming HOBBYWING brushless ESCs. Its friendly LCD interface makes ESC programming easy and quick. With a PC, you can upgrade ESC firmware and further adjust ESC parameters online. Besides, it's compact, portable and very applicable for field use. Thanks to built in OTA programming feature through Bluetooth, you can now use this device with IOS devices. This multifunciton LCD program box is applicable for the