Total cost of materials per unit (ignoring one-time costs): $17.49
Battery life: >5000 hours
Alarm sound intensity: 95dB
Alarm sound frequency: 2500Hz
Power usage: 2.142mW
Monitor size: 7.6cm x 11.7cm x 1.3cm
Chest strap composition: 71% polyester / 29% rubber
LED intensity: 500mcd
Printed circuit board for monitor:
Battery life: >5000 hours
Alarm sound intensity: 95dB
Alarm sound frequency: 2500Hz
Power usage: 2.142mW
Monitor size: 7.6cm x 11.7cm x 1.3cm
Chest strap composition: 71% polyester / 29% rubber
LED intensity: 500mcd
Printed circuit board for monitor: