1. Working Voltage:DC12V 2. Quiescent Current:10mA 3. Working Frequency:433Mhz 4. Receiving Sensitivity:-104dBm 5. Function option:Momentary/Toggle/Latched Modulation Mode:ASK Matching Mode: Intelligent Learning code Output Mode:Dry contact /Voltage output Shell:Yes Working temperature: -30-+80 NOTES: 1. Please do not operation, you should shut off the power, and operation after testing and correct electricity. 2. Please promptly change battery when remote control voltage is insufficient, (when the battery voltage is insufficient, generally get close transmitting ) 3. Please pay attention to avoid metal mask,large equipment ,strong interference electromagnetic filed when using wireless RF products,and avoid too short distance between the remote control and receiver board. 4. Please avoid abnormal using of the product.Abnormal using reduce product performance and life, when seriously it may damage the products and even make danger for your safe. Colour:Photo Color Material:plastic Package Contents: 1 x Rolling Door Receiver 2 x Controllers 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.