Wheelock colored lens strobe notification appliances - strobes, horn strobes, speaker strobes, and multi-tone strobes - are built with the same high quality circuits and parts used in the Cooper Wheelock life safety strobes and speakers, and are available through special order. The colored lens strobe products are listed under UL Standard 1638 for general signaling and the amber lenses been tested to meet UL 1971 light distribution. These appliances are suitable for indoor applications, with specific models available for outdoor and weatherproof applications. The indoor models can be wall or ceiling mounted (model dependent) to standard electrical boxes or to Wheelock's surface mount boxes. The outdoor models can be wall mounted to standard electrical boxes or to Wheelock's surface mount boxes.