ST-122 Down View Smoke Detector Ideal for over a cash register or desk. Ceiling or wall mountable for best viewing angle. Internal battery and AC power. (Smoke Detector is non-functional.) Includes: All 2.4 GHz transmitters come with a 2.4 GHz receiver. All necessary power supplies and battery packs are included. Options: High Power is available and delivers unbelievable range. X-Vision allows viewing in almost complete darkness, .003 Lux. Only available in black & white cameras. B (more…)