Please, help to identify smd component. The numbers are: First line - T10H8 Second line - 030TD
Middle bottom leg (-) Middle top leg (+) Bottom right leg goes to base of transistor for speaker.
The body presumably sot26.
This is HellGate Buzzer for quadrocopter working with external and own battery(charging from external). It's beeping different patterns(in time) after disconnecting from external battery.