Fluke Networks’ new TS®52 PRO Caller ID test set features the latest in test set technology. Designed with a superior, radiant liquid crystal display (LCD) user interface, it allows you to see what cannot be heard in any outside plant environment. The back lit LCD and phosphorescent (glow-in-the-dark) keypad brings light to even the darkest of work environments. TS52 PRO Test Set includes: Display – Back lit LCD and glow-in-the-the dark keypad DataSafe Pro – Superior high-impedance monitoring, lockout and override, making you completely safe in any mode DropSafe – Passes 20 foot drop test DSL/POTS Filtering Technology – allows technicians to clip on a live DSL line to test POTS service without downing or disrupting data service RainSafe – Designed for use in rain conditions.