Features: brand new and high quality By converting lightto electricity. you can enjoy the wonderfullife of green energy. Comfortable grip and common functional remote-control design for air conditioner. EK- 3399E is an air conditioner remote control that converls light energy into electric power. lt has built-in storage capacitor and does not need to use traditional dry balteries. Users only needloput the remole control next to the window or balcony at home to absorb the light. Absorbing the sunlightfor 3 to 4 hours can generate sufficient energy to allow the use of remote control for 3 months or more. lt is not recommended to expose the remote control under strong sunl ight for a long for time. Specifications: Material:ABS Model Number: EK-3399E Application Model: for AUX BEKO for Carrier Chigo Gree Haier for Hitachi for LG Hisense TCL and more. Note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Air Conditioner Remote