The Palmstrobe X portable strobe is the industry standard for high-intensity multi-function xenon strobe. The memory offers eight commonly used flash patterns and the last flash rate used - no need to recalculate flash rates every time. Memory is retained even when the battery is charged - charge the battery in or out of the strobe. The 6-digit backlit LCD display is easy to read in both well-lit and dim places. Additional features include fast x2 and ÷2 of the current flash rate, TTL compatible input/output and low battery indicator. Removable, rechargeable battery allows unlimited measuring performance, compact, lightweight housing allows for convenient one-handed operation. Four quadrant tuner makes stop-action and slow-motion inspections easy.