Sennheiser CHG 70N-C + PSU KIT Network Enabled Charger (With Cascading)

Power supply: 12 V ⎓ (single device or cascade of up to 5 devices)
Or PoE IEEE 802.3af Class 0 (CAT5e or higher)
Current consumption: max. 3.5 A for cascade of up to 5 devices
Power consumption: max. 12 W
Network socket: RJ-45, IEEE 802.3;
10base-T (half and full),
100base-TX (half and full)
Dimensions: approx. 7.9" x 4.1" x 4.6"
Weight: approx. 640 g
Charging bays: 2
Charging capacity per bay: BA 70 rechargeable battery
or
EW-DX SK with BA 70
Or
EW-DX SKM with BA 70
Charging voltage: 4.35 V
Charging current: min. 344 mA/max. 860 mA
Charging status indicator: 1 LED per bay (red, yellow, green)
Charging time for full charge: max. 3.5h
Charging temperature range: -10 °C - 50 °C/(14 °F - 122 °F)
Storage temperature range: -20 °C - 70 °C (-4 °F - 158 °F)
Relative humidity: max. 95 % non-condensing