Ac 110V 220V 240V Remote Control Switch 433Mhz 30A Wireless Relay Switch For Product Details About Receiver: ?Signal?: The AC wireless remote control switch uses 433MHz wireless signal that can penetrate walls, ensuring a stable and reliable signal with a control range of approximately 50 meters. It also utilizes encryption technology to ensure that the remote control signal is not interfered with. ?Application ?: This remote control switch is suitable for the industrial control and safety fields of AC110v-240v, such as light, motor, remote controller, wireless security alarm, windows,lifting equipment, electric doors, wireless door alarm,security industry machine , wireless controller, and other fields ?Easy to Use ?We have made transmitter and receiver working together and test it before ship it, When you get it, install and use it directly. ?1 Channel for Wireless Control ?the remote switch is a learning switch, One/several transmitters can control one/several receivers simultaneously.They do not interfere with each other. ?Convenience?The Receiver power supply is AC 110V--240V, Output with electric?Equal to input voltage. ( we ship default as Latched mode, that is, Press the Transmitter button " on ", the receiver relay is ON; Press the button " off ", the receiver relay is OFF ) You can switch to 4 different modes as needed?Momentary / Toggle / Latched /Delay time. as a seller of integrity, customer satisfaction is our lifelong pursuit, If you have any questions, you can contact us by email .we will be patiently waiting for your questions and very happy to help you solve the problem. Wishing you a pleasant shopping trip Payment We accept PayPal and credit cards via PayPal. Taxes - US We collect sales tax, as required by law. Shipping We make every effort of shipping within 3 business day of payment clearing. The estimated delivery time is 2 - 5 business days from the shipping date. Policies If you do need to return your item, please contact us via email (you will receive an email when your product ships with additional details - Subject: Important information about your purchase). You will then be provided with a return shipping label and packing slip. Pack the item carefully. Include the packing slip, apply the shipping label, and return the item within 30 business days of the date you request a return, or your return will be canceled. Once we receive your order we will inspect the return. Please allow up to 5 business days of receiving the returned item for your refund.