1. Aviation head interface: can be connected to battery power for wireless transmission/stable and durable 2. IP69 waterproof, cold and heat resistant: excellent quality/long service life 3. Open location transmission: distance up to 1500 meters 4. Performance: strong practicability and stable transmission signal Model: TX-RX01 Transmission distance: 1500 meters Channel: 2400-2483.5MHZ Frequency: 20dBm rate: 2400-2483.5MHZ Gain: 1500m Power: 20dBm Colour:White Material:Metal Size: 95 x 60 x 25mm Package Contents: 1 x launcher 1 x receiver 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.