Applicable to for handheld gimbal Use the remote controller with ELRS protocol to wirelessly control the gimbal movement direction Supports the use of remote controller switch to control the gimbal recording, return and other functions Applicable gimbal models: for RS2/for rs3 PRO/for djirs 4/for RS4 PRO Easy to use Model: Handheld gimbal controller Frequency: 2.4GHz ISM MCU: ESP8285 RF chip: SX1281 RF connector: module outer screw inner pin Firmware name: 2.4GHz Nano RX Firmware version: ExpressLRSV3.4.3 Output protocol: for Pro Firmware update: UART or WIFI Connector: interface Input voltage: 5V Applicable gimbal models: for RS2/for rs3 PRO/for djirs 4/for RS4 PRO Colour:Black Material:plastic Package Contents: 1 x Handheld PTZ Controller Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.