Features: - The shell is made of high-quality raw materials with insulation and sealing technology. - Compact, lightweight design for easy installation and discreet placement. - Designed as a signal switch suitable for installation on wooden doors and windows. Working Principle: NC (Normally Closed): When the magnets are together, the circuit is closed (conductive); when separated, the circuit opens (non-conductive). Specifications: - Model: Replacement for XL-55 - Sensing distance: 5070 mm - Rated current: 0.5 A - Rated voltage: DC 100 V - Rated power: 10 W - Contact type: NC (Normally Closed) - Fixing method: Surface or flush mounting - Connection method: Wire, 550 mm - Material: Zinc alloy - Color: Silver - Name: BQLZR - Dimensions: 105 x 37 x 10 mm (4.13 x 1.46 x 0.39 inches) - Cable length: 370 mm (14.57 inches) - Magnet dimensions: 106.5 x 16 x 15 mm (4.19 x 0.63 x 0.59 inches) - Hole spacing: 89 mm (3.5 inches) - Weight: 174 g Package Includes: 1 x Magnetic Reed Switch Set 4 x Screws