Quick Specs
Bluetooth 5.0 SIG Mesh · 5.8GHz microwave detection
1CH built-in relay
Occupancy on/off, 2-step and 3-step dimming, daylight threshold (2/10/50 lux or disable), adjustable hold time (5s-10min) and stand-by period (10s-∞), sensor grouping for multi-point synchronized control, local scenes (no gateway needed) and cloud scenes/automation via Super Panel gateway
System Overview
Model Family Overview:
| Model | Output Interface | Protocol | Best For |
|---|---|---|---|
| MR03-B3P | DALI-2 · 0-10V · Relay (dip-switch selectable) | Bluetooth 5.0 SIG Mesh | Universal commercial — links to LTECH Super Panel/gateway; covers all three dimming interfaces in one unit |
| MR04-LBS | Relay (ON/OFF) | Bluetooth 5.0 SIG Mesh | Simple zone switching via Bluetooth Mesh; no DALI/0-10V dimming output |
| MR02-LD | DALI · Relay | Standalone (no Bluetooth) | Wired DALI-only projects; direct DALI bus control without Bluetooth |
| MR02-LSA | 0-10V · Relay | Standalone (no Bluetooth) | 0-10V dimming retrofit; works with any 0-10V dimmable driver |
| MR01-LS | Relay (ON/OFF only) | Standalone (no Bluetooth) | Basic on/off occupancy control; lowest-cost entry model |
MR03-B3P Full Specs (Bluetooth/DALI-2/0-10V/Relay — SUMLINK primary stocked model):
Input: 120–277Vac, 50/60Hz · Stand-by power ≤1.5W · Operating frequency: 5.8GHz microwave
Coverage (4m ceiling, gross motion): 11.3×11.3m room · Coverage (minute motion): 4.2×4.2m
Hold time: 5s / 30s / 1min / 10min · Daylight threshold: 2 / 10 / 50 lux / disable
Sensor grouping: multi-point synchronized control · Local scenes: no gateway required
Dimensions: Φ90×85.6mm · Install hole: φ70–80mm · Net weight: 149g · IP20 · Warranty: 5 years
Certifications: CCC · CE · RoHS
Source: LTECH (Xiaolei) official datasheets, ltech.cn / xiaolei.com.cn. MR03-B3P: Manufacturer-stated — not yet SUMLINK Verified. MR04-LBS / MR02-LD / MR02-LSA / MR01-LS: Manufacturer-stated, full spec sheets pending from factory.