It had no problem using the PTZ Pro Smart IP Camera in Singapore. Personally tested.Specification: Model: MJSXJ06CM Name: 2K 3 Megapixels PTZ Pro Smart IP Camera Len Angle:110° Aperture:F1.4 Resolution:1296P (2K+3 Megapixels) Video Compression Standard:H.265 IR LED:940nm Storage Function:Micro SD Card (32GB max) NAS Storage Cloud Storage Wireless Procotol:Wi-Fi IEEE802.11a/b/g/n/ac 2.4GHz / 5GHz Bluetooth 4.2 Power Supply:5V/2A Support System:Android 4.4 or iOS 9.0 or Above Working Temperature:-10℃-50℃ Size:122x78x78mm APP Name:MIJIA Package Included: 1 x Xiaomi Smart IP Camera PTZ Pro 1 x Power Supply Cable 1 x US Plug Charger 1 x Installation Kit 1 x Chinese User Manual