Catalog > Electro-Mechanical Components > Relays > Relay Sockets Catalog > Consumer Electronics > Kits > DIY Kits MCU HX1838 IR Remote Control Kit MCU HX1838 IR Remote Control BMT IR REMOTE CONTROL KIT NEC IR REMOTE CONTROL KIT HX1838. 38KHZ-- USES CR2025 BATTERY- NOT INCLUDED Call for Price 0 in Stock Add Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Features MCU HX1838 Development Kit Kit theory test distance of about 5-8 meters, but the practical application depends on the ambient factors you use, as well as the middle barrier, receiving head with HX1838, with red power work instructions lights, receive 38K frequency any remote coding data. The remote controller has 3×7 keys, include 0-9, 100+, 200+ numerical KEY, CH+, CH, CH-, PREV, NEXT, PLAY/PAUSE, VOL-, VOL+, EQ.