4Pcs SanDisk A1 16GB UHS-I/Class 10 up to 98MB/s Micro SDHC Memory Card also effective for focus and

also effective for focus and deep thought

2) 24 hours full-time monitoring

-- Compatible with both 810 & 510 drip tips

- 12 / 24 hours time display for your choice

4Pcs SanDisk A1 16GB UHS-I/Class 10 up to 98MB/s Micro SDHC Memory Card also effective for focus andProduct Features: Compact and lightweight, easy to carry. Store photos, videos and other media files. Fast reading speed enables fast transfers from one device to another. Compatible with all kinds of phone, tablet, car DVR etc. Easy to use, plug and play operation. Data won't lost when power is off. Product Specifications: Brand: SANDISK Categories: Flash Memory Card Type: TF Card Capacity: 16GB Speed Class: Class 10, UHS I Card version: MicroSDHC