Replacement remote control YKR-C/01E for KT-AX3, KT-AX1, AUX-E1, and KT-AX4 air conditioners. Ergonomically designed with a simple layout and well-distributed buttons for improved usability. No programming required—ready to use right away with immediate response. Compact and lightweight design for comfortable handling and operation. Operates on 2xAAA batteries (not included); install batteries to start using. Specifications: Item Type: Air Conditioner Remote Control Material: ABS Compatible Models: KT-AX3, KT-AX1, AUX-E1, KT-AX4 Air Conditioners Language Version: English Transmission Distance: 1-10 meters (3.28-32.8 feet) Power Supply: 2xAAA batteries (not included) Package Includes: 1 x Remote Control Note: Slight variations in color may occur due to differences in display resolution. Please allow 1-2 cm size deviation due to manual measurement. This remote control does not feature a backlight function.