Suresafe SH-055SR User Manual Download Page 1

HOW TO OPERATE

1. Slide and remove the battery lid, install two 

AAA/UM-4 batteries matching correct (+) and (-) 
poles as indicated, then slide the battery lid back.

2. Pull out the antenna and turn on the switch to upper 

side.

3. The power LED (Green) will be lit up to confirm the 

detector is operated correctly.

4. If the strength indication LED is lit up and the buzzer 

goes off, adjust the sensitivity by tuning the 
Sensitivity Tuner to - (minus) side to decrease the 
sensitivity until the Level 1 (Yellow) LED slightly 
lights up.

5. When the detector detects a cellular phone or wireless 

hidden camera, the strength of indicator will be lit up, 
from Level 1 (Yellow) -> Level 2 (Yellow) -> Level 3 
(Red ) indicating the strength of detected signals.

6. Meanwhile, the buzzer will be beeping and the sound 

will be changing from slow to rapid, indicating the 
strength of detected signals.

SILENT DETECTION

• SH-055SR: Set the power switch to bottom SILENT mode. 

• SH-055SRV: Set the power switch to bottom VIBRATING mode. 

• By earphone hearing. 

SENSITIVITY ADJUSTMENT

Turn the Sensitivity Tuner to - (minus) side to decrease the 
sensitivity and the detecting distance will be shorter. Turn the 
Sensitivity Tuner to + (plus) side to increase the sensitivity and 
the detecting distance will be longer.

INTERFERENCE (BACKGROUND NOISE) 
ELIMINATION

1. The Sensitivity tuner is also used to eliminate the background 

noise (interference).

2. If the scanned environment has other noises that interfere with 

your detector, the strength indication LED will be lit up.

3. If this condition appears, adjust the sensitivity by tuning the 

Sensitivity Tuner to - (minus) side to decrease the sensitivity 
until the Level 1 (Yellow) LED slightly lights up.

4. In normal condition, when to turn on the power, only the 

Power LED (Green) lights up to confirm the detector is in 
normal condition.

PRINCIPLE PARTS

User's Manual

Suresafe™

Thank you for purchasing the Suresafe™ RF (Radio Frequency) 
Signal Detector. Please first read over this manual for proper use, 
save this manual and keep it handy.

SH-055SR, SH-055SRV  

Superior sensitivity

  RF Signal Detector

Exposing Spy Camera, Bug and Cellular Phone, etc.

GENERAL

This device applies with fuzzy scanning technology to detect 
peeping cameras, bug, cellular phones and other radio frequency 
devices. This device surely avoids being peeped or tapped to 
protect privacy or protect information being disclosed secretly. 

This device has 3 LEDs. When to detect cellular phone or 
peeping camera, the LED will light from Level 1 to Level 2 to 
Level 3, and the beeping sound will change from Slow to Rapid 
indicating the strength of detected signal. 

• SH-055SR: This model also has SILENT detection to reduce 

the embarrassment of beep sound when to scan an 
environment. 

• SH-055SRV: This model also has VIBRATING detection to 

warn you when you do not hold this device in 
hand to scan an environment. 

• Besides, you also can detect by earphone hearing without 
  other' awareness. 

SH-055SR

SH-055SRV

Level 3

Level 2

Level 1

Power

Sound

Vibrate

Off

Sensitivity

Tuner

RF Signal Detector

OFF

earphone

Level 3

Level 2

Level 1

Power

OFF

Sound

Silent

Off

Sensitivity

Tuner

RF Signal Detector

earphone

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