Min. Order Reference FOB Price
1 Piece US$3.50-6.40 / Piece
Product Description
Product Description 1. Display Type: LED 4 colors display. 2. Display range: 35%-100%. 3. Accuracy: 70-99%, ±2%; 0-69% no definition. 4. Measurement range: 25-250 BPM. 5. Accuracy: ± 1BPM/± 1% BPM(Take the larger value). 6. Power Requirements: 2pcs AAA ...