Sealey Timing Light with Advance TL85Composite cased Xenon timing light with inductive impulse pick up. 8000rpm Maximum. Measures retard ignition timing and timing advance with 0 60 BTDC range. Pistol grip and push button control for easy operation. Supplied with 1. 5m coiled 12V power lead and inductive coupler. COMPOSITE CASED Durable impact resistant housing. MEASURES TIMING ADVANCE Range 0 60 BTDC. MEASURES RETARD IGNITION TIMING Ensures accurate ignition timing. XENON LIGHT With