1. Sound pressure: about 130dB 2. Magnetic door battery: AAA x 2 (not included) 3. Remote battery: CR2032 battery x 1 (included) 4. Remote control distance: greater than or equal to 15 meters (open space) 5. Door magnetic induction range: greater than or equal to 15 mm 6. Weight: 75g 7. Host size: 90x43x13mm 8. Magnetic stripe size: 45x13x13mm 9. Remote control size: 60x33x11mm 10. Transmission frequency: 433.92MHz
