1 'Multi gas detector' For Sale in Philippines

Detected Gas Combustible Gas, Co, O2, H2s Measurement Range 0-100% Lel, 0~999ppm, 0~30%Vol, 0~500ppm Resolution 0.1% / 1μmo/Mol(Ppm) / 1% Response Time <50 Seconds Ow / High Alarm Yes Power 3.7V Li-Battery