Clear Com FL-7 Light Call Signal Flasher Intercom System The FL-7 Call Signal Flasher is a compact, low profile module which provides a visual and/or audible call signal indication whenever a call signal is present on the intercom line. Note: Access the Encore Power Supply Calculator to estimate power requirements for analog partyline systems. Features: Provides visual and/or audible indication of a call signal LED design with dimmer Front panel mode switch selects flasher, ring or both Control both tone volume and light brightness Specifications: Flash Rate 2 times/sec Flasher Lens 2.5in diameter red Rear Panel Connectors One each XLR-3F and XLR-3M Power Requirements Input Voltage: 20-30V DC Input Current: (idle) = 10mA Input Current: (max) = 90mA Front Panel Controls Indicators Brightness Control Three-way switch for flash and tone Tone level control Speaker Environmental 32 to 122F (0 to 50C) Dimensions 2.5 x 4 x 5.0in (WxHxD) (63 x 101 x 127mm) Weight 0.91lbs (0.415kg) Echotone Music LLC is an experienced E-commerce Audio Visual Equipment dealer since 1998. We take pride in selling Pro Audio gear for musicians, sound engineers, production companies and broadcast applications. Shipping -Pro packed shipped USPS, UPS or Freight Service. Contact us pay for 2 day air upgrade on any unit. We are working hard to get your product ( built if needed), processed shipped. Processing times vary, 2-30 days Returns/Refunds- Customer pays for return shipping. Returned items must be sealed/unopened to qualify for a full refund. Refunds are for the Item cost only. Gear returned with out all its original packaging, accessories or shows signs of wear, is subject to an additional service fee. This item is now used and it would be unfair to resell to another customer as new. What products can not be returned? - International Sales Clearance items, Custom Builds, Road Cases, DT12 items, items identified as non-returnable, discontinued items, used or NOS items, electronic software downloads, demo gear, computer Cards, vacuum tubes, earbuds, harmonicas raw-frame speakers, turntable cartridges, fog fluid