Description Caution! 1. Handle your product with care avoid shaking and dropping it. 2. Keep the receiver as far away from your as possible to avoid damage. 3. Remove batteries before storage. 4. Store your product in a clean dry area away from containments. Frequency: 433MHz This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. color:As shown Material:plastic Package Contents: 1 x receivers 1 x transmitter 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.