Features: 1100m Range: No viewing distance required for proper operation. The Roller Shutter Control Retrofit Kit makes it quick and easy to implement cost effective radio control for your roller shutter drives, whether retrofitted or newly installed. With this kit, roller blinds and awnings can be upgraded so that they can be operated comfortably via remote control. 2Wireless Roller Shutter Control Retrofit Kit: With the help of a remote control, hard to reach roller shutters can be controlled wirelessly from the couch. Provides comfort and assistance to the sick and physically impaired. You can place the remote control in any convenient place or store it on the included wall bracket. 3RF: 433 MHz, self learning program for high security. You can use up to 20 roller shutter controls to control different devices in the same room without interfering with the radio channel. 4RF Remote Control: The remote control is easy to use and simple to learn. The factory has taught the remote control function to the receiver. The receiver fits any standard flush mount box. The receiver connects to the power source, switch and motor and then shuts off with the remote control. 5Applicable Equipment: Wireless roller shutter switch retrofit kit to easily switch and control motors for roller shades, blinds, awnings and sun protection. Specification: Item Type: Wireless Roller Shutter Control Retrofit Set Product Material: ABSWeight: 99g / 3.49oz Battery Type: Remote Control Built in Dry Batteries (Remote Control Ships with Built in Dry Batteries)Battery Model: 23A12VBattery Capacity: 60mAhVoltage: 100-240VRemote Control Size: Approx. 11x3.5x1.5cm / 4.3x1.4x0.6inReceiver Size: Approx. 5x4.5x2.5cm / 2.0x1.8x1.0in Package List: 1 x Remote Control1 x Receiver1 x English Manual Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.