The SpectrAlert Advance SWHK-P is an unmarked, white, outdoor strobe with selectable high-candela strobe settings of 135, 150, 177 and 185 cd. Outdoor back box included.
Power Supply : AC110 +-10% / AC220 +-10% | Frequency : 50HZ. / 60HZ. | Power Consumption : 150 Watts. 24V. | Description/Speed : 3 second | Work Temperature : -40'c to 85'c