Features: Replacement remote control YKR-C/01E for KT-AX3 KT-AX1 AUX-E1 KT-AX4 air conditioners. Reasonable button distributionand the simple layout, which brings you a better experiences. No programming is required, quick responses, no need to wait. Small size, easy to hold and use. Ready to use after inserting new batteries(batteries not included). Specifications: Item Type: Air Conditioner Remote Control Material: ABS Applicable Models: for KT-AX3 KT-AX1 AUX-E1 KT-AX4 Air Conditioners Version: English Version Transmission Distance: 1-10m/3.28-32.8ft Power Supply: 2xAAA batteries (not included) Package Includes: 1x Remote Control note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution. The remote control does not have backlighting function.