Navilock BT-399. Form factor: Wireless Receiver Module, Acquisition times - cold: 42 s, Acquisition times - warm: 38 s. Bluetooth version: 2.0+EDR. Weight: 30 g, Width: 70 mm, Depth: 9.2 mm. Battery capacity: 700 mAh. Operating temperature range (T-T): -10 - 60 °C, Storage temperature range (T-T): -20 - 70 °C