Motorola PMMN4025A IMPRES Remote Speaker Microphone H-A= and there's a prominent orange

and there's a prominent orange Emergency button

This case is compatible with the Motorola 4000/e series

Frequency Range: 146-174MHz

It boasts a life cycle of over 500 charges/discharges and comes with an IP67 rating

DP2000 Series Noise cancelling Heavy Duty Headset with a TIA4950 intinsic safety standard

Motorola PMMN4025A IMPRES Remote Speaker Microphone H-A= and there's a prominent orangeDP4000 Series IMPRES Remote Speaker Microphone UL TIA 4950 Key Features Audio Jack: Yes Emergency Button: Yes Volume Control: No Programmable Button: No Intrinsic Safety Standard: UL TIA 4950, FM Acoustic: Windporting Omni Directional Compatible with PMLN7396 Earpiece Compatible With: DP3000 Series DP4000 Series