The HSM2204 is a power supply and programmable output module. This module adds 1A of power to the DSC NEO and is also equipped with 4 PGM outputs. One of which can be used as a secondary siren output. If you just need additional power for your NEO, you can use the . You will need an additional  and  with this module. We also recommend a  for enough space.

DSC PowerSeries NEO HSM2204 High Current Output Module

The HSM2204 can provide up to 1.0A of additional current to the compatible PowerSeries NEO alarm controllers, models HS2016, HS2032, HS2064, and HS2128. The HSM2204 can provide up to 1.0A of additional current and add up to four high-current programmable outputs. 

Specifications:

Power supply Type A as per EN50131-6 Standard
Temperature range: -10 C to 55 C (0 C to 49 C for UL/ULC listed systems)
Relative Humidity: 5% to 93% R.H. non condensing
Input rating: EU: 220V-240VAC, 50Hz, 200mA; NA: 120V, 60Hz, 500mA. Only one board shall be powered by a transformer

Fully supervised for AC failure, low battery and AUX failure adds 4 programmable high current voltage outputs: rated at 1 Amp @ 12 VDC
Output #1 can be used as a supervised bell output
Provides up to 1 Amp @ 12 VDC