Specifications
built-in rechargeable Li-battery in camera for 5 hours'work
tiny in size for discreet observation &
built-in rechargeable Li-battery in camera for 5 hours'worktiny in size for discreet observation & portabilityhigh-quality picture and sound transmitting and receivingmulti-channel available to avoid interferenceMin 100m transmission distance without blockcan be used on TV, monitor, LCD,etc.