Infrared sensor with control circuit board the sensitivity and holding time can be adjustedworking voltage range: DC 4. 5v- 20v current drain: <60ua voltage output: High/low level signal: 3. 3v TTL output detection distance: 3--7m(can be adjusted) detection range: <140°delay time: 5-200s(can be adjusted, default 5s +-3 percent) blockade time: 2. 5 s (default) trigger: L: Non-repeatable trigger h: Repeat trigger (default) work temperature: -20-+80°c trigger method: L unrepeatable trigger/h repeatable trigger dimension: 3. 2cm x 2. 4cm x 1. 8cm (approx).