The Potter CHS Series is a ceiling mount strobe or horn/strobe combination that offers dependable audible and visual alaRMS and the lowest current consumption. The CHS offers tamperproof field selectable candela options of 15, 30, 75, 95, 115 and 150 candela.The CHS horn offers a continuous or synchable temporal three in 2400Hz and mechanical tone. All tones are easy for the professional to change in the field by using switches. The models are shipped from the factory in the temporal three alarm mode. The Ceiling Mount Series comes standard with the 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 which secures the product to the bracket without any screws showing. The CHS also features the patented Checkmate® - Instant Voltage Verification feature which allows the installer to check the voltage drop draw without removing the signal.