1.Low latency, high refresh rate, ultra-light and ultra-small, ideal for FPV racing and long-distance FPV cruising. 2.These receivers can be placed almost anywhere due to their ultra-light and Nano size. 3.the ultra-compact design minimizes weight while maximizing performance. 4.To turn on Wi-Fi, wait for 60 seconds after powering on or long pressbutton for 3 secondsQuick to cut off the power 3 times, it enters the binding mode. 5. Nano 2.4G ExpressLRS ELRS Receiver, These receivers can be placed almost anywhere due to their ultra-light and Nano size,ideal for FPV Freestyle Long Range Drones DIY Parts. Model: for Nano 2.4GHz Name: RX ExpressLRS Receiver Frequency: 2.4G Antenna: T-antenna (54x78mm,0.6g) Chip: SX1280+ESP8285 Power: 100mW Input voltage: 5V Antenna connector: IPEX1 Default Firmware: for Nano 2.4GHz RX 3.3.1 Due to different product batches, there may be slight differences in appearance, which not affect the use Colour:Black Material:PC Package Contents: 1 x ELRS Receiver 1 x T antenna 1 x Pin Header 1x4 1 x Connection wires 1 x Spare shrink tube 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.