Group IV oxide flame-retardant aids replace antimony trioxide in relay case resin, preserving thin-part flame resistance and environmental safety.
A protective button cover blocks accidental tact switch presses during handling, preventing power loss and preserving cordless lamp reliability.
Water pressure acting through passage holes and elastomeric material switches a pinpointer into underwater mode without button sequences.
A split PCB and centrally aligned single antenna shrink machine-guard safety switches while simplifying wiring and preserving reliable access locking.
A sliding head-to-case coupling removes extra screws, keeping machine-guard safety switches compact, stable, and resistant to mechanical loads.