The ELK-319KF4 is a Wireless 4 Button Handheld device which can be used to arm or disarm the alarm system. It also features two additional buttons that can be utilized to execute other functions, depending on the functionality provided by the control.This sensor is compatible with Elk?s 319MHz Receivers/Panels as well as many other panels that operate on the 319.5MHz Frequency and adhere to the ITI/Interlogix protocol.Main FeaturesConvenient system arming/disarmingTwo additional buttons can be used for panic alarm or other functionsPowered by replaceable CR2032 batteryGeneral InformationName: ELK 4 Button Keyfob - 319 Series, ELK Products, Inc, ELKCategory: Elk Products Inc., Intrusion & Smart Home, Wireless Alarm Systems, Intrusion Key FobsUPC Code: 762158190049Country of origin: Taiwan. Country of origin is subject to change.