UMP Deluxe Bed Sentry Alarm features wireless remote reset so you can reset the alarm at a distance. Monitor has option that locks out push button reset so only the remote will reset the alarm, helping deter resident tampering. Dual reset buttons are concealed on each side that must be pressed in unison to silence the alarm and no on/off switch. All volume controls and delay switches are located under the battery cover. Uses one 9V battery (not included).