Nguyên nhân có thể do quá nhiều ứng dụng chạy ngầm, thiếu dung lượng RAM, hoặc ổ cứng bị phân mảnh. Khắc phục bằng cách giải phóng bộ nhớ, chống phân mảnh ổ cứng, và nâng cấp RAM.
Pin Maxell lithium CR2032 được sử dụng để cung cấp điện năng cho các thiết bị điện, điện tử, CMOS, remote,... Pin tạo ra những dòng điện rất ổn định, vì vậy là một trong những dòng pin được ứng dụng rộng rãi trong thiết bị y tế.
Camera HDCVI Cooper 2MP Dahua DH-HAC-T1A21P DH-HAC-T1A21P-VN
Thông số sản phẩm
DH-HAC-T1A21P , DH-HAC-T1A21P-VN
– Camera HDCVI bán cầu hồng ngoại, 2.0 megapixel – Thiết kế mới nhỏ gọn, thẩm mỹ, dễ dàng lắp đặt – Tầm xa hồng ngoại đến 20m với công nghệ hồng ngoại thông minh – Vỏ plastic
Giá :350k cho 2mp và 450k cho 4mp (bảo hành 2 năm nha ) Mua Camera về gắn khắp nhà. Chứ rẻ quá mà anh chị. ***************** =>Phucquangtech 6612B ( Wifi 2MP / H.265 ) =>Phucquangtech 6612D ( Wifi 4MP / H.265 ) Ultra HD 4MP / Humain Detect / Auto Tracking =>Độ phân giải Ultra HD 4.0MP. Ghi hình và ghi âm. => Kết nối mạng không dây Wifi. Cho phép đàm thoại 2 chiều. =>Trang bị đèn hồng ngoại công suất lớn. => Xoay chiều ngang 360 độ , chiều đứng 120 độ => Auto Tracking : camera tự động xoay theo Người di chuyển. =>Nếu không có Người, camera sẽ quay trở về vị trí mặt định. =>Gởi tin đến điện thoại khi phát hiện chuyển động của Người =>Tin nhắn kèm hình chụp. => Hổ trợ thẻ nhớ Micro SD 256Gb. Kích thước 75*110mm. => Tương thích với đầu ghi =>Trọn bộ : Camera, nguồn DC 5V1A, dây USB và chân đế.
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ĐÁNH GIÁ SẢN PHẨM