• Specialized kit containing 30 swabs and a reagent bottle to detect lead content in homes or offices. • Instant detection by applying 5 to 6 drops of reagent or white vinegar with results in 30 seconds. • Clear indication via color change: if the swab turns red, purple, or pink, the result is positive. • High-sensitivity swabs designed to detect low levels and avoid false positives. • Suitable for painted surfaces, dishes, toys, jewelry, wood, pipes, bathtubs, and painted metal ceramics. • Note: Not suitable for use on general ceramics.