Howard Miller Westminster Chime Mantle/Desk Clock Model 635-172. no covers for battery compartments on botton but when tested the batteries stay in and the unit worked, time ,pendulum ,and chimed on the hour. Chimes have on /off and volume adjustment and a switch called monitor. this clock has 3 battery compartments . it is 11 1/2" tall 8 5/8" wide and 6 " deep
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