Brand new in the original factory packaging. Part# DTXM4000. R/C failsafe unit protects your nitro vehicle against: Low receiver battery power and loss of radio frequency. Universal connector compatible with Futaba, JR, Hitec, Airtronics Z. Easy programming and set-up. Please ask questions before you bid. No international bidders. I ship to the lower 48 U.S. only. Thank you for looking.