This wireless remotely control switch is made of PC material, light and portable, it occupies less space. Used with the remote controller for forming a complete set of wireless intelligent remotely control system. Three working modes design, inching mode, self-locking mode, and interlock mode, you can adjust according to your needs easily. Multifunction design, equipped with time delay and code clearing function, and is designed with LED indicator function. Specifications: Name: Remote Switch Set Material: plastics+metal Color: Black Type: Remote Switch + 1pcs Remote Controller, Remote Switch + 2pcs Remote Controller (optional) Battery: depending on your selection Remote switch + 1pcs Remote Controller: 1 * CR2016 button battery (included) Remote switch + 2pcs remote controller: 2 * CR2016 button battery (included) Working voltage: AC90-256V Working frequency: 315-433MHz Quiescent current: 10MA Operating Temperature: -40 to 80 Load power: 3000W Sensitivity: -110dbm Code: Learning code Item size: 66 * 44 * 29mm / 2.60 * 1.73 * 1.14in Package size: 108 * 93 * 40mm / 4.25 * 3.66 * 1.57in Package weight: Remote switch: 120g / 4.23ounce Remote switch + 2pcs remote controller: 140g / 4.94ounce Packing List (Remote Switch): 1 * Remote Switch 1 * Remote Controller OR Packing List (Remote Switch+ 2pcs Remote Controller): 1 * Remote Switch 2 * Remote Controller