Plain unit not returnable. The Commander3 Series Colored Lens Signals are wall mount, low profile strobes or horn/strobes that offer dependable audible and visual alarms for warning and emergency notification. Applications include emergency communication, severe weather, emergency response and many more. The GE3 Colored Lens Series are 24VDC units available in lens colors of amber, blue, green and red. The Series offers tamperproof field selectable candela options of 15, 30, 60, 75, and 110 candela. The GEC3 horn/strobe offers a continuous or synchable temporal 3 in 2400Hz, mechanical and chime as well as a whoop tone. All tones are easy for the professional to change in the field by the use of switches. The Commander3 Colored Lens Series is shipped with a standard 4" mounting plate which incorporates the popular Super-Slide® feature that allows the installer to easily test for supervision. The product also features a locking mechanism that secures the signal to the bracket without showing any screws. The GE3 Colored Lens Series also features the patented Checkmate® instant voltage verification feature which allows the installer to check the voltage drop draw and match it against the blueprint. The Commander3 Colored Lens Series are ANSI/UL1638, ANSI/UL464, CAN/ULC S525 and/or CAN/ULC S526 listed. The Series is also compliant with the rated candela per the polar dispersion requirements of ANSI/UL 1971. Therefore, the ANSI/UL 1971 polar plot is equal to the candela listed on the product, no derating was required. The GE3 Colored Lens Series is warranted for three years from date of purchase.