1. Easy Wireless Installation(2.4GHz) 2. Body material: ABS Casing 3. 7 TFT LCD, 800 x 480 4. Real-time Monitoring 5. One-key Unlock 6. Photo Capture (75 records) < Video Record (MAX 32G TF card) 7. Rechargeable Lithium Battery (2500mAh) 8. Working temperature: -20°C - +55°C 9. Support two doorbell cameras 10. Installation: Surface mount / Desktop