DinoFire Wireless Presenter Remote Finger Ring USB Rechargeable Presentation Clicker Presentation Remote Powerpoint Clicker PPT Clicker with Slide Advancer RF 2.4Ghz for Mac/Laptop/Computer auspowers_batchfive Charging Base

Charging Base

and two clips are required to clip the tablet

The serration helps to avoid vibration of the nut and increase the retention of the nut

so you can take measurements anytime

DinoFire Wireless Presenter Remote Finger Ring USB Rechargeable Presentation Clicker Presentation Remote Powerpoint Clicker PPT Clicker with Slide Advancer RF 2.4Ghz for Mac/Laptop/Computer auspowers_batchfive Charging BaseDinoFire Wireless Presenter Remote Finger Ring USB Rechargeable Presentation Clicker Presentation Remote Powerpoint Clicker PPT Clicker with Slide Advancer RF 2. 4Ghz for Mac Laptop Computer 3 YEARS WARRANTY: Free Replacement or refund in 3 years; Free USB if lost in 2 years Features: Frequency: 2. 4GHz Max Output: Less than 5mW Light Class: 3R Battery: 250mAh lithium battery Dimension: 43. 52. 5cm Light Distance: >200m Working Voltage: 1. 5V Sleep