ICOtec Night Stalker + PLUS Predator Call Black Large. Developed by and for professional predator hunters who demand performance and still want a practically priced product. ICOtec recommends that customers avoid using Duracell batteries in our callers as the voltage is too low. We recommend alkaline 1.5V batteries Lithium 1.5V batteries or the 14.8V C4 Lithium Rechargeable Power House from ICOtec. Also we recommend against using lithium AA batteries in GCX remotes. Specifications for ICOtec Night Stalker + PLUS Predator Call: Manufacturer: ICOtec Color: Black Features of ICOtec Night Stalker + PLUS Predator Call Industry-leading 300 yard no-line-of-sight remote range Includes Bluetooth connectivity up to 100 yards from unit The most amazingly crystal clear sound quality Easiest & quickest sound file downloading in the industry Download sounds from your smartphone tablet or computer Remote includes NEW category file organization Includes 165 call sounds (Featuring 15 sounds from Tony Tebbe) Play two sounds simultaneously Two separate play & pause buttons Store up to 2000 sound files on a removable SD card Large easy-to-read remote display Day & night remote screen display options Recall up to 20 favorites and one coax sound Plays 16 24 and 32 bit .wav files (.mp3 files must be converted into .wav to play on the Plus Series) Tremendous volume 130+ dB USB & remote sync cables included Tripod mountable Long battery life Caller requires 10 AA batteries not included (recommend ICOtec C4 lithium rechargeable battery) Remote requires 4 AA batteries not included (recommend ICOtec TNT rechargeable AA battery kit) Animal Audio smartphone app recommended for highest quality industry sound libraries Package Contents: ICOtec Night Stalker + PLUS Predator Call LED Display Remote connector cablesSD card ICOtec ICO10701: Night Stalker + PLUS Predator Call Black Large