Specifications and models:

Regular reservation E3 [2USB 1C port] wireless model

Regular reservation E3 [2USB 1C port] 0.8 meters

Regular reservation E3 [2USB 1C port] 1.8 meters

Regular reservation E3 [2USB 1C port] 2.8 meters

Regular reservation E3 [2USB 1C port] 4.8 meters

4-sided insertion/E2 [2USB 1C port] wireless model

4-sided insertion position/E2 [2USB 1C port] 0.8 m

4-sided insertion position/E2 [2USB 1C port] 1.8 m

4-sided insertion position/E2 [2USB 1C port] 2.8 m

4-sided insertion position/E2 [2USB 1C port] 4.8 m

4-sided plug-in/E1 [with main switch] wireless model

4-sided insertion position/E1 [with main switch] 0.8 m

4-sided insertion position/E1 [with main switch] 1.8 m

4-sided insertion position/E1 [with main switch] 2.8 m

4-sided insertion position/E1 [with main switch] 4.8 m

3-sided plug-in/4-generation [no switch] wireless model