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1.remove the battery compartment cover and insert the required 2AAA batteries accoding to the polarity shown. 2.place the cove4r inplace 3.peel the paking of the alarm unit and place it on the edageof the moveable portion of the ON/OFF switch side away from theedge 4.peel the backing of the magnetic sensor and place it on theedge of the oppsite side next to the alarm unitWINDOW/DOOR ALARM
