Description Features Export quality High quality materials Imported chips from Europe No battery Customizable development Technical Specifications Color Black color Battery No battery, works when connected to 5 V 1A adapter or power bank Chip Nordic NRF 51802 QFAA Range 1000 m (3280.84 ft) Size 3.54 in × 0.98 in × 0.59 in (9.0 cm × 2.5 cm x 1.5 cm) Weight 0.88 oz (25 g)
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