A direct replacement to the CA6050. Compatible with CA6050 base plate. Call for contractor BULK pricing! The Defender CA6150 is a sealed lithium battery powered carbon monoxide alarm with state-of-the-art, extra large digital display. Read and monitor current CO levels as low as 10 ppm at the touch of a button. Two lithium batteries are non-removable and warranted to power the detector for ten years. Quick, easy and secure mounting system. Ideal for homes, townhouses, condominiums, multi-unit residences, apartments, nursing homes, and daycare facilities. - NOTE: All of the Defender detectors (CA6000, CA6050, CA6100, CA6150, LL6070) utilize the same mounting plate, and can be interchanged with each other. - Product Features Sealed Lithium Battery Powered Carbon Monoxide Alarm Two Non-Removable FDK Fuji Lithium Batteries with Soldered Connections Automatic and Manual Battery Activation Accurate and Reliable Electrochemical Sensor Integrated Filter for Removing Nuisance Gases Samples for Carbon Monoxide (CO) Every 10 Seconds Extra-Large Alpha-Numeric Digital LCD Display with Memory One-Touch Readout of Current CO Level Detected from 10 PPM to 999 PPM Automatically Displays Current CO Level Detected from 30 PPM to 999 PPM Memory Displays Peak CO Level Detected from 10 PPM to 999 PPM Memory Displays Duration of Peak CO Level from 0 to 999 Minutes Separate Display and Test Buttons Separate Alarm, Power and Service LED's Audible and Visual Alarm Signals Instant Test/Reset/Mute Feature Internal Microprocessor Monitors Sensor Function Auto. See UL File No. This product has been approved by the California State Fire Marshal (CSFM) pursuant to Section 13144.1 of the California Health and Safety Code. See CSFM Listing No. 5276-2122:0100 for allowable values and/or conditions for use concerning material presented in this document. - Unit only detects Carbon Monoxide (CO)