▶ Uniquely coded arm and disarm buttons ▶ Panic alarm ▶ LED indicator ▶ Programmable option buttons The RF3334 Series Key Fobs includes the RF3334 and the RF3334E. The RF3334 transmits at a frequency of 304.00 MHz while the RF3334E transmits at 433.42 MHz. Both models are wireless and have four buttons. Each model allows you to arm and disarm the security system or send a panic alarm. Programmed with a unique code, each model works exclusively with your compatible security system. Two option buttons are user-defined to perform additional functions.