Wisdom miniature computer controller; Encounter obstacles immediately opened; Good modular design; Installation is very easy DESCRIPTION: 1. Mode: Single-leaf & Double-leaf 2. Limited Weight: ≤150kg,≤120kg x 2 3. Power voltage: AC220V±10%, AC110V±10%,50-60Hz 4. Sensor mode: Various microwave/ infrared sensor, mechnical keys, wireless touch , palm/ foot induction switch, firewarning, disable ...