The receiving controller has the characteristics of high confidentiality, storage capacity, stable performance and low power consumption, and is easy to use. It does not need to use or dial switch codes, just pair the remote control with the receiving controller and ( Code matching) can be used .Each receiving controller can pair and multiple transmitters (remotes).If the learned remote control is lost during use, you only need to clear the information stored in the receiving controller (clear code), the lost remote control will not be to related control operations on the receiving controller, which can avoid losing the remote control The case where the receiver controls the receiving controller.1. Product name: controller for projection screen2. Product model: -T023. Working voltage: controller AC85~250V/remote controller 12V/23A4. Maximum power: less than 500W5. Standby current: 10mA6. Wireless sensitivity: -105dbM7. Modulation : 8. Remote control distance: about 30 meters9. Product weight: controller 72.6g/ remote control 53.8g10. Product size: controller 35.3X31.5X17.3mm/ remote controller 42.3X37.8X25.8mmColour:WhiteMaterial:ABSPackage Contents:1 x Wireless Remote Controller(1 X12V 23A battery not included)1 x Receiving ControllerOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.