Nova voice pager two tone model with monitor, VHF band. Designed for use in rugged environments. Loud clear audio. 2 tone decoding format. 12 Programmable addresses. Priority tone alert. Tone and vibrate. Manual or time-out reset. Private messaging. Low battery alert. External speaker jack. Alarm set. Call time stamp. Incoming call display. Audio lock on. Electro luminescent display. Weight: 3.7 oz.