Usage Tips:Features:Adopts 30Amp relay, which can load high-power electrical appliances to ensure long-term stability control. Stable and reliable performances, high receive sensitivity, with one or two remote controls, flexible use. With decent transmission distance and quite flexible in functionality, signal stability. Application in various fields such for garage door, electric door, remote control curtain, lifting equipment, motor control, water pump, projection curtain lifter, security industry, etc. 433MHz/315MHz are avaliable, powerful, convenient and easy to install. Package Includes:1x Industrial Wireless Remote Control Kit Specifications:Name: wide voltage two-way wireless controllerProduct Model: AK-380V RX03Working Voltage: AC220V~380VMax-power: 3000WStandby Power Consumption: less than 15mASignal Sensitivity: - 105dBmSignal Frequency: 315/433MHz Adjustment Mode:K amplitude modulationSize: Approx. 92x65x32mm/3.62x2.56x1.26inch (excluding housing)Number of Remote Controllers: Single, Double(optional) note:Please allow 0-1cm error due to manual measurement, make sure you do not mind before you order.Please allow slight chromatic aberration due to different display resolutions.