ARI Sound Timer 
Mode No: PS-1602
1.Respiration rate timer to support respiration rate assessment of fast
  breathing new born and young children.
2.It gives audible signal at beginning after 30 seconds and at end of 60
  seconds cycle time.
3.Battery operated ,design to last for 10000 counting cycles for 60 seconds
4.Plastic body with rope to hang it easily.
5.High quality non replaceable battery inbuilt.
6.Contain: ARI Timer 1unit and Instruction Manual