Form Color: Silver Model: SIM1010-K11 Quantity: 1 Set Material: Fireproof PC Power Range: 200~240V Max. Current: 10A Working Temperature: -5~+40 ℃ Other Features: Working Type: Push Button Number of Key:One gang Power Mode: Self-powered/Battery-free Control Distance: Up to 30 meters in building Lifetime: Over 200,000 Times Certification: CE, RoHS Packing List: 1 * Battery-Free Wireless Switch 1 * Receiver 1 * Hang Rope(18cm)(7in) 2 * Double Sided Tapes 1 * Screw 1 * English User Manual Dimensions: 2.76 in x 2.76 in x 0.61 in (7 cm x 7 cm x 1.55 cm) Weight: 2.82 oz (80 g)