... area, such as seaside, river, pond, swimming pool, on boats, etc.Features: 1) The anti-drowning childrens guard ... Base Station can work with many Fish. 5) Works on 9-volt rechargeable battery inside or AC adapter. 6 ... a receiver unit. These are also excellent to take on holiday, where you may be staying in a ... their holiday. This product can also be used on pets, and it is suggested that the wristband ...