Tempo Communications TM-500 Tele-Mate Telephone Test Set SKU# TM500 MFR# TM500 $154.95 Quantity discounts available QuantityPrice Luminescent (glow-in-the-dark) keypadCan be used safely on a DSL enabled lineHigh Impedance monitor for monitoring line without disrupting existing trafficOver voltage and over current protectionTone and pulse dialing for versatility on old and new phone linesPolarity test with LED indicator32 digit last number redial and pause10 number speed dialAdjustable volume control plus muteFlash to generate a timed break recallLine powered, no battery neededHeadset (included) for hands free operationRJ11 socket Ship Pickup in Store - FREE! Select Store to check availability. Quantity -+ Add to Cart Have questions? 800-531-5369 Ratings & Reviews