HDMI output (1920x1080) HD for high definition multi-channel live viewing only. 1080p recording resolution is limited to a maximum of 1920x1080 per channel. Image quality and resolution is dependent on the type of camera connected to the DVR.
Neon can last decades. In practical terms the normal expected life span is between 8 to 15 years. Neon can be repaired and recharged as long as the tubing is not cracked/broken.
A common helium-filled latex balloon lasts from about 12 hours up to two days. However, the size, type of material, and presence of a sealant all affect the balloon's lifespan. The treatment and level of activity to which the balloon is subjected also affects how long it floats.