Are you searching for a multipurpose transmitter + controller set widely used in electronic door￡? window￡? strobe￡? industrial control and the security alarm system? If so￡? you must be in the right place. This 4-Channel CDTF-3000-4 Wireless Remote Control Transmitter + CDR-4L 260-433MHz 12V 4-Channel Wireless Receiver Controller Set can make you satisfied completely. Matching with high quality transmitter which is featured with strong anti-interference￡? stable performance￡? high reliability and low consumption￡? the wireless controller in the set can be applied to electrical control circuit such as anti-theft alarm￡? remote control electric windows￡? signal control￡? industrial control￡? lifting equipment and so on. A perfect security and protection tool for all of you!                                    Features             Include a wireless remote control transmitter and wireless receiver controller<br> Convenient to operate and easy to use<br> Stable performance and low-power consumption￡? long service life<br> Compact￡? high sensitivity￡? and easy to debug<br> It applies to electrical control circuit￡? such as anti-theft alarm￡? remote control electric door and windows￡? signal control￡? industrial controls￡? lighting￡? lifting equipment and so on<br> The controller delivers high secrecy￡? large storage￡? capability stabilization and low wear-off character<br> The transmitter is featured with strong anti-interference￡? stable performance￡? high reliability and low consumption<br>                                                            Specifications            Receiver        <br>Channels    4 Channel    <br>Operating Voltage    DC 12V    <br>Static State Work Current    ?ü7mA    <br>Received Sensitive    -105dBm    <br>Input Current    ?ü10A    <br>Operating Frequency    260MHz ~ 433MHz    <br>Dimensions    (7 x 5.5 x 2.8)cm/ (2.76 x 2.17 x 1.1)" (L x W x H)    <br>Weight    59g / 2.08oz    <br>Model    CDR-4L    <br>Transmitter (Remote Control)        <br>Channel (keys)    4 Channel    <br>Power Supply    1 x 23A/12V Battery (Not Included)    <br>Control Zone    4 Lines    <br>Color    White    <br>Dimensions    (13.5 x 4.3 x 2.5)cm/ (5.31 x 1.69 x 0.98)" (L x W x H)    <br>Model    CDTF3000-4    <br>                                                            Package Includes            1 x 4-channel Controller1 x Transmitter