Solo™ SMOKE and HEAT DETECTOR TESTING TOOLS offer a professional solution to NFPA 72 Inspection, Testing, and Maintenance requirements. The SOLO808 Starter Kit provides the equipment necessary to test smoke detectors on ceilings (up to 12'), while the SOLO809 version increases ceiling access (up to 20'). The SOLO461 Heat Detector Testing Kit has everything you need to successfully test heat detectors fast and easy, as does the TRUTEST Sensitivity Tester System, which measures the real sensitivity of smoke detectors (as required by the National Fire Code).