Napco Security slides on Q1 revenue miss

** Shares of electronic security devices and fire alarm systems provider Napco Security Technologies NSSC.O fall 16.1% to $32.99 premarket

** Co posts Q1 adj. EPS of 36 cents, missing analysts' estimates of 38 cents

** Also posts Q1 revenue of $50 mln, down from estimates of $52.1 mln

** Equipment revenue decreased 7.3% yoy; CEO Kevin Buchel says decline was due to reduction in purchases by two locking distributors

** All six brokerages rate the stock "buy"; median PT is $50 - LSEG data

** As of last close, stock down 5.6% YTD